Inventor
Nobuharu Ohsawa
Inventor
Kanagawa, JP
Overview
Patents· 363 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Kprimary
H10KOrganic electric solid-state devices24%
H01LSemiconductor devices15%
C09KMaterials for miscellaneous applications, not provided for elsewhere14%
H05BElectric heating11%
C07DHeterocyclic compounds10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium4%
C07CAcyclic or carbocyclic compounds3%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications2%
H10DInorganic electric semiconductor devices1%
PatentTitleYear
11,133,482Light-emitting element, display device, electronic device, and lighting device202111,094,903Light-emitting element having an organic compound and a transition metal forming SOMO202111,049,908Light-emitting element, display module, lighting module, light-emitting device, display device, electronic appliance, and lighting device202111,038,065Semiconductor device, manufacturing method of the semiconductor device, or display device including the semiconductor device202111,038,135Light-emitting element202111,031,439Light-emitting device and display device202111,008,510Light-emitting element, light-emitting device, electronic device, lighting device, and novel organic compound202110,978,661Light-emitting element202110,937,965Light-emitting element, display device, electronic device, and lighting device202110,930,852Light-emitting device202110,930,873Light-emitting element, display module, lighting module, light-emitting device, display device, electronic appliance, and lighting device202110,910,579Light-emitting element, light-emitting device, electronic device, and lighting device202110,868,256Light-emitting element, display device, electronic device, and lighting device202010,862,042Fluorene derivative, light-emitting element, light-emitting device, electronic device, and lighting device202010,862,058Light-emitting element, display device, electronic device, and lighting device202010,833,282Light-emitting element and electronic device202010,804,471Triarylamine derivative, light-emitting substance, light-emitting element, light-emitting device, and electronic device202010,797,113Light-emitting device with layered electrode structures202010,790,451Triazole derivative, and light-emitting element, light-emitting device, and electronic device with the use of triazole derivative202010,790,462Light-emitting device, display device, and electronic device with color conversion layers202010,777,762Light-emitting device, display device, and electronic device with color conversion layers202010,764,974Light-emitting device using organometallic complex having a pyrazine skeleton202010,764,481Light-emitting device and camera202010,741,619Light-emitting device and display device202010,714,700Light-emitting element, display device, electronic device, and lighting device202010,693,095Light-emitting element, display device, electronic device, and lighting device202010,686,153Exciplex light-emitting device202010,686,152Light-emitting element, light-emitting device, electronic device, and lighting device202010,680,017Light-emitting element including EL layer, electrode which has high reflectance and a high work function, display device, electronic device, and lighting device202010,629,823Light-emitting element, light-emitting device, electronic device, and lighting device202010,593,895Light-emitting element202010,586,934Light-emitting element202010,573,829Light-emitting element202010,559,697Semiconductor device, manufacturing method of the semiconductor device, or display device including the semiconductor device202010,555,386Light-emitting device and camera202010,553,797Fluorene derivative, light-emitting elements, light-emitting device, electronic device, and lighting device202010,505,120Light-emitting device201910,504,966Light-emitting device comprising transparent conductive films having different thicknesses201910,497,880Organic compound, light-emitting element, light-emitting device, electronic device, and lighting device201910,468,619Light-emitting element, light-emitting device, electronic device, and lighting device201910,461,134Light-emitting device and display device201910,439,005Light-emitting element, display module, lighting module, light-emitting device, display device, electronic appliance, and lighting device201910,439,158Light-emitting element, light-emitting device, electronic appliance, and lighting device201910,424,745Organometallic complex, light-emitting element, display device, electronic device, and lighting device201910,418,594Light-emitting element, light-emitting device, electronic device, and lighting device201910,403,843Light-emitting element comprising the first to third layer and EL layer201910,403,839Light-emitting element201910,374,186Light-emitting element, display module, lighting module, light-emitting device, display device, electronic appliance, and lighting device201910,367,160Light-emitting element201910,333,091Light-emitting element, display element, display device, electronic device, and lighting device201910,333,106Light-emitting panel having plurality of organic light-emitting elements201910,326,078Anthracene derivative, light-emitting element using the same, and light-emitting device using the same201910,263,195Organic compound, light-emitting element, light-emitting device, electronic device, and lighting device201910,243,151Organic semiconductor material and light-emitting element, light-emitting device, lighting system, and electronic device using the same201910,224,490Heterocyclic compound, light-emitting element, light-emitting device, electronic device, and lighting device201910,205,100Anthracene compound, light-emitting element, light-emitting device, electronic appliance, and lighting device201910,181,563Organic compound, light-emitting element, light-emitting device, electronic device, and lighting device201910,152,865Security device and information processing device201810,153,332Display device201810,141,524Phosphorescent organometallic iridium complex, light-emitting element, light-emitting device, electronic device, and lighting device201810,134,998Light-emitting element, display device, electronic device, and lighting device201810,129,947Light-emitting device using organometallic complex201810,109,683Light-emitting device comprising light-emitting element that is optically optimized independently201810,103,341Organometallic complex and light emitting element, light emitting device, and electronic device using the organometallic complex201810,096,658Light-emitting element, display device, electronic device, and lighting device201810,084,156Light-emitting element, light-emitting device, and display device201810,071,993Carbazole derivative, light-emitting element material and organic semiconductor material201810,050,221Light-emitting element, light-emitting device, electronic device, and lighting device201810,033,016Light-emitting element, light-emitting device, electronic device, and lighting device201810,026,917Light-emitting element, display module, lighting module, light-emitting device, display device, electronic appliance, and lighting device20189,985,218Light-emitting element, light-emitting device, electronic device, and lighting device20189,978,971Light-emitting element, light-emitting device, electronic device, and lighting device20189,972,790Anthracene derivative, and light-emitting material, light-emitting element, light-emitting device, and electronic device using the same20189,972,794Organometallic complex, and light-emitting element and display device using the organometallic complex20189,961,726Light-emitting device and camera20189,960,368Heterocyclic compound20189,941,483Light-emitting element, light-emitting device, electronic appliance, and lighting device20189,938,309Organometallic complex, light-emitting element, light-emitting device, electronic device, and lighting device20189,939,262Light-emitting device and camera20189,935,158Light-emitting device and display device20189,929,356'Light-emitting element, light-emitting device, electronic appliance, and lighting device'20189,929,350'Light-emitting device'20189,917,271'Light-emitting device'20189,911,936'Light-emitting element, display device, electronic device, and lighting device'20189,899,608'Heterocyclic compound, light-emitting element, light-emitting device, electronic device, and lighting device'20189,882,138'Organic compound, light-emitting element, light-emitting device, electronic device, and lighting device'20189,876,185Light-emitting device comprising light-emitting layers20189,876,196Light-emitting element, light-emitting device, electronic device, and lighting device20189,843,000'Heterocyclic compound, light-emitting element, light-emitting device, electronic device, and lighting device'20179,843,707'Light-emitting device and camera'20179,831,440Organic compound, anthracene derivative, and light-emitting element, light-emitting device, and electronic device in which the anthracene derivative is used20179,806,268'Triazole derivative, and light-emitting element, light-emitting device, electronic device and lighting device using the triazole derivative'20179,799,834'Carbazole compound light-emitting element, light-emitting device, electronic device, and lighting device'20179,768,210'Semiconductor device having antenna and sensor elements'20179,768,396'Iridium complex, light-emitting element, light-emitting device, electronic device, and lighting device'20179,761,812'Light-emitting element, light-emitting device, electronic device, and lighting device'20179,755,001'Light-emitting device comprising films having different optical path lengths'20179,755,174'Light-emitting element, display element, display device, electronic device, and lighting device'20179,741,937'Fluorene derivative, light-emitting element, light-emitting device, electronic device, and lighting device'20179,741,946'Light-emitting element containing organic iridium exhibits blue-green to blue light emission'20179,741,967'Light-emitting panel having plurality of organic light-emitting elements'20179,735,372'Light-emitting element and electronic device'20179,691,825'Light-emitting element, light-emitting device, electronic device, and lighting device including semi-transmissive and semi-reflective electrodes'20179,673,264'Display device'20179,663,711'Light-emitting element, light-emitting device, electronic device, lighting device, and novel organic compound'20179,653,517'Light-emitting device'20179,653,692'Light-emitting device and electronic appliance using the same'20179,653,705'Light-emitting element'20179,634,279'Light-emitting element'20179,620,723'Organic semiconductor material and light-emitting element, light-emitting device, lighting system, and electronic device using the same'20179,614,164'Organic compound, light-emitting element, light-emitting device, electronic device, and lighting device'20179,604,928'Light-emitting element'20179,595,571'Light-emitting device, electronic device, and lighting device'20179,583,735'Light-emitting element, light-emitting device, electronic device, and lighting device'20179,578,151'Security device and information processing device'20179,570,690'Heterocyclic compound'20179,564,597'Fluorene compound, light-emitting element, light-emitting device, electronic device, lighting device, and organic compound'20179,564,609'Light-emitting element including electrode of three layers'20179,559,325'Light-emitting device having stacked light-emitting layers'20179,548,468'Light-emitting element, light-emitting device, electronic device, and lighting device'20179,540,315'Triarylamine derivative, light-emitting substance, light-emitting element, light-emitting device, and electronic device'20179,538,607'Light-emitting element'20179,525,143'Triarylamine compound, light-emitting element, light-emitting device, electronic device, and lighting device'20169,515,279'Light-emitting element, display module, lighting module, light-emitting device, display device, electronic appliance, and lighting device'20169,490,436'Organometallic complex, and light-emitting element and display device using the organometallic complex'20169,478,751'Anthracene derivative, light emitting element using the same, and light emitting device using the same'20169,478,749'Anthracene compound, light-emitting element, light-emitting device, electronic appliance, and lighting device'20169,472,601'Light-emitting device and display device'20169,461,248'Organic compound, anthracene derivative, and light-emitting element, light-emitting device, and electronic device in which the anthracene derivative is used'20169,461,092'Light-emitting device and display device'20169,462,646'Light-emitting device and camera'20169,461,252'Organometallic complex, light-emitting element, light-emitting device, electronic device, and lighting device'20169,450,209'Light-emitting element, light-emitting device, and display device'20169,450,188'Carbazole derivative, light-emitting element material and organic semiconductor material'20169,450,032'Light-emitting device, electronic device, and lighting device'20169,437,777'Semiconductor device with antenna and light-emitting element'20169,437,824'Light-emitting element, light emitting device, and electronic device'20169,419,239'Composite material, light-emitting element, light-emitting device, electronic device, lighting device, and organic compound'20169,412,956'Organometallic iridium complex, light-emitting element, light-emitting device, electronic device, and lighting device'20169,412,793'Light-emitting element, light-emitting device, electronic device, and lighting device'20169,406,894'Organometallic complex, organic light-emitting element, light-emitting device, electronic device, and lighting device'20169,406,893'Heterocyclic compound, light-emitting element, light-emitting device, electronic device, and lighting device'20169,406,889'Phenanthrene compound, light-emitting element, light-emitting device, electronic device, and lighting device'20169,397,308'Light emitting element, light emitting device, and electronic device'20169,397,299'Triazole derivative, and light-emitting element, light-emitting device, and electronic device with the use of triazole derivative'20169,391,283'Light-emitting element, light-emitting device, and electronic device'20169,373,808'Light-emitting element, light-emitting device, electronic device, and lighting device'20169,368,742'Light-emitting element, light-emitting device, electronic appliance, and lighting device'20169,359,335'Triazole derivative, and light-emitting element, light-emitting device, electronic device and lighting device using the triazole derivative'20169,362,517'Light-emitting element, display module, lighting module, light-emitting device, display device, electronic appliance, and lighting device'20169,356,250'Light-emitting element, comprising an organometallic complex light-emitting material, a light-emitting device and an electronic device comprising the light-emitting element'20169,343,691'Light-emitting element, light-emitting device, electronic device, and lighting device'20169,343,689'Light-emitting element, light-emitting device, electronic device, and lighting device'20169,328,098'Quinoxaline derivative, and light emitting element, light emitting device, and electronic device using the quinoxaline derivative'20169,324,951'Pyrazine derivative, and light emitting element, display device, electronic device using the pyrazine derivative'20169,319,596'Light-emitting device and camera'20169,309,223'Heterocyclic compound, light-emitting element, light-emitting device, electronic device, and lighting device'20169,309,458'Phosphorescent organometallic iridium complex, light-emitting element, light-emitting device, electronic device, and lighting device'20169,312,493'Light-emitting element, light emitting device, and electronic device'20169,294,602'Security device and information processing device'20169,290,842'Electrode cover and evaporation device'20169,273,079'Organometallic complex, light-emitting element, light-emitting device, electronic device, and lighting device'20169,277,627'Light-emitting device and camera'20169,269,920'Light-emitting element'20169,257,654'Anthracene derivative, light-emitting element, light-emitting device, and electronic appliance'20169,257,657'Light emitting device and electronic appliance using the same'20169,224,960'Light-emitting element, light-emitting device, and electronic device'20159,219,235'Anthracene derivative, light emitting element using the same, and light emitting device using the same'20159,203,044'Light-emitting body, light-emitting layer, and light-emitting device'20159,203,045'Light-emitting element, light-emitting device, electronic device, and lighting device'20159,187,689'Organometallic complex and light-emitting element, light-emitting device, and electronic device using the same'20159,192,017'Light-emitting element, light-emitting device and electronic device'20159,174,927'Stilbene derivatives, light-emitting element, display device, and electronic device'20159,175,213'Light-emitting element'20159,178,158'Light-emitting element, light-emitting device, electronic device, lighting device and organic compound'20159,172,059'Light-emitting device and electronic device using light-emitting device'20159,153,627'Display device'20159,155,158'Organometallic complex, light-emitting element, display device, electronic device, and lighting device'20159,142,794'Light-emitting element, light-emitting device, and electronic device'20159,133,173'Carbazole compound, material for light-emitting element, organic semiconductor material, light-emitting element'20159,136,479'Organic compound, anthracene derivative, and light-emitting element, light-emitting device, and electronic device using the anthracene derivative'20159,123,912'Light-emitting device and manufacturing method thereof'20159,123,907'Light-emitting element'20159,112,170'Light-emitting element, light-emitting device, and electronic device'20159,096,578'Dibenzol[f,h]quinoxaline compound, light-emitting element, light-emitting device, electronic device, and lighting device'20159,083,000'Light-emitting element, light-emitting device, and lighting device'20159,079,855'Carbazole compound, light-emitting element, light-emitting device, electronic device, and lighting device'20159,079,879'Heterocyclic compound, light-emitting element, light-emitting device, electronic device, and lighting device'20159,070,883'Anthracene derivative, and light-emitting material, light-emitting element, light-emitting device, and electronic device using the same'20159,065,058'Light-emitting element and electronic device'20159,062,036'Quinoxaline derivative, and light emitting element, light emitting device, and electronic device using the quinoxaline derivative'20159,065,061'Organometallic complex, light-emitting element, display device, electronic device, and lighting device'20159,056,856'Heterocyclic compound'20159,059,411'Fluorene compound, light-emitting element, light-emitting device, electronic device, and lighting device'20159,051,274'Triarylamine compound, light-emitting element, light-emitting device, electronic device, and lighting device'20159,051,239'Fluorene derivative, light-emitting element, light-emitting device, electronic device, and lighting device'20159,048,436'Oxadiazole derivative, and light emitting element, light emitting device, and electronic device using the oxadiazole derivative'20159,040,720'Organic compound, light-emitting element, light-emitting device, electronic device, and lighting device'20159,034,486'Triazole derivative, heterocyclic compound, light-emitting element, light-emitting device, electronic device and lighting device'20159,029,558'Carbazole compound, light-emitting element, light-emitting device, electronic device, and lighting device'20159,006,755'Light-emitting device and display device'20159,005,773'Organometallic complex, light-emitting element, display device, electronic device, and lighting device'20159,000,458'Light-emitting element, light-emitting device, and display device'20158,999,520'Organometallic complex and light emitting element, light emitting device, and electronic device using the organometallic complex'20158,993,125'Triazole derivative, and light-emitting element, light-emitting device, electronic device and lighting device using the triazole derivative'20158,994,043'Light-emitting element, light-emitting device, display device, electronic device, and lighting device'20158,994,263'Light-emitting element'20158,993,127'Fluorene compound, light-emitting element, light-emitting device, electronic device, lighting device, and organic compound'20158,993,126'Light-emitting element including a layer having a concentration gradient, light-emitting device, display, and electronic device'20158,981,642'Light-emitting element, light-emitting device, electronic appliance, and method of manufacturing the same'20158,968,888'Phenanthrene compound, light-emitting element, light-emitting device, electronic device, and lighting device'20158,969,579'Oxadiazole derivative, and light-emitting element, light-emitting device, electronic device, and lighting device using the oxadiazole derivative'20158,957,442'Light-emitting device and display device'20158,952,394'Light-emitting element, light-emitting device, lighting device, and electronic device'20158,946,698'Light emitting element with layers having complementary colors for absorbing light'20158,940,416'Triarylamine derivative, light-emitting substance, light-emitting element, light-emitting device, and electronic device'20158,920,941'Pyrazine derivative, and light emitting element, display device, electronic device using the pyrazine derivative'20148,920,940'Light-emitting element and light-emitting device'20148,906,518'Triazole derivative, light-emitting element, light-emitting device, and electronic device'20148,901,542'Stilbene derivatives, light-emitting element and light-emitting device'20148,889,266'Organometallic complex, and light-emitting element, light-emitting device and electronic-device using the organometallic complex'20148,865,511'Semiconductor device and method for manufacturing the same'20148,860,019'Light-emitting device comprising light-emitting layer including two layers'20148,853,403'Heterocyclic compound and light-emitting element, light-emitting device, lighting device, and electronic device using the same'20148,853,680'Light-emitting element'20148,835,973'Light-emitting element, light-emitting device, electronic device, and lighting device'20148,835,018'Organic compound, anthracene derivative, and light-emitting element, light-emitting device, and electronic device in which the anthracene derivative is used'20148,815,410'Anthracene derivative, light emitting element using the same, and light emitting device using the same'20148,816,098'Organic compound, anthracene derivative, and light-emitting element, light-emitting device, and electronic device using the anthracene derivative'20148,795,851'Organometallic complex, light-emitting element, light-emitting device, electronic device, and lighting device'20148,789,968'Light-emitting panel, and method for manufacturing such panel'20148,790,794'Heterocyclic compound, light-emitting element, light-emitting device, electronic device, and lighting device'20148,772,082'Light-emitting element and light-emitting device'20148,772,917'Semiconductor device having an antenna'20148,742,407'Light emitting element with layers having complementary colors for absorbing light'20148,741,449'Anthracene derivative, light-emitting material, material for light-emitting element, composition for coating, light-emitting element, light-emitting device, and electronic device'20148,736,157'Light-emitting element'20148,735,597'Benzoxazole derivative, and light-emitting element, light-emitting device, and electronic device using benzoxazole derivative'20148,722,904'Anthracene derivative, light-emitting device and electronic appliance'20148,716,489'Oxadiazole derivative, light-emitting element material, light-emitting element, light-emitting device, and electronic device'20148,703,305'Quinoxaline derivative, and light emitting element, light emitting device, and electronic device using the quinoxaline derivative'20148,704,215'Stilbene derivatives, light-emitting element, display device, and electronic device'20148,697,885'Carbazole compound, light-emitting element material, organic semiconductor material, light-emitting element, light emitting device, lighting device, and electronic device'20148,686,159'Oxadiazole derivative, and light emitting element, light emitting device, and electronic device using the oxadiazole derivative'20148,686,628'Anthracene derivative'20148,673,459'Light-emitting element and electronic device'20148,674,114'Carbazole compound, light-emitting element material, and organic semiconductor material'20148,669,373'Carbazole derivative and method for producing the same'20148,664,383'Organometallic complex, and light-emitting element and display device using the organometallic complex'20148,664,263'Stilbene compound, light-emitting element, light-emitting device, electronic device, and lighting device'20148,642,782'Carbazole derivative, light-emitting element material and organic semiconductor material'20148,637,167'Light emitting element and light emitting device'20148,623,523'Quinoxaline derivative, and light emitting element, light emitting device, and electronic appliance using the same'20148,624,234'Light-emitting element, light-emitting device, and electronic device'20148,617,726'Anthracene derivative, light-emitting material, material for light-emitting element, composition for coating, light-emitting element, light-emitting device, and electronic device'20138,614,334'Organic compound, light-emitting element, light-emitting device, electronic device, and lighting device'20138,608,855'Electrode cover and evaporation device'20138,603,647'Anthracene derivative, material for light emitting element, light emitting element, light emitting device, and electronic device'20138,603,644'Anthracene derivative, and light-emitting material, light-emitting element, light-emitting device, and electronic device using the same'20138,598,785'Organometallic complex, and light-emitting element, light-emitting device, electronic device, and lighting device using the organometallic complex'20138,592,056'Triazole derivative, and light-emitting element, light-emitting device, and electronic device with the use of triazole derivative'20138,592,053'Anthracene derivative, light-emitting element, light-emitting device, and electronic appliance'20138,581,237'Light-emitting element'20138,581,266'Light-emitting element, light-emitting device, lighting device, and electronic device'20138,580,980'Organic compound, light-emitting element, light-emitting device, electronic device, and lighting device'20138,569,742'Organic field-effect transistor and semiconductor device including the same'20138,564,193'Light-emitting element, light-emitting device, electronic appliance, and method of manufacturing the same'20138,563,740'Oxadiazole derivative, and light-emitting element, light-emitting device, electronic device, and lighting device using the oxadiazole derivative'20138,551,625'Derivative with heteroaromatic ring, and light-emitting element, light-emitting device, lighting device, and electronic device using derivative with heteroaromatic ring'20138,546,584'Benzoxazole derivative, light-emitting element, light-emitting device, electronic device, and lighting device'20138,541,574'Organometallic complex, and light-emitting element, light-emitting device and electronic device using the organometallic complex'20138,530,672'Organic compound, anthracene derivative, and light-emitting element, light-emitting device, and electronic device using anthracene derivative'20138,530,060'Light-emitting element including first layer, second layer, third layer and fourth layer'20138,530,658'Carbazole derivative with heteroaromatic ring, and light-emitting element, light-emitting device, and electronic device using carbazole derivative with heteroaromatic ring'20138,512,880'Organometallic complex, and light-emitting element and light-emitting device using the organometallic complex'20138,502,202'Light-emitting element, light-emitting device, electronic device, and lighting device'20138,475,935'Anthracene derivative, and light-emitting material, light-emitting element, light-emitting device, and electronic device using the same'20138,471,017'Quinoxaline derivative, and light-emitting element, light-emitting device, electronic device using the quinoxaline derivative'20138,461,580'Light-emitting element and light-emitting device'20138,455,111'Light-emitting element, light-emitting device, and electronic device'20138,431,940'Light-emitting element, light-emitting device, lighting device, and electronic device'20138,421,346'Composite material, light-emitting element, light-emitting device, lighting device, electronic device, and fluorene derivative'20138,410,492'Light-emitting element, light-emitting device and an electronic device, which include two layers including same light-emitting organic compound'20138,399,881'Memory element, memory device, and semiconductor device'20138,389,979'Light-emitting element, light-emitting device, electronic device, and lighting device'20138,389,735'Oxadiazole derivative, and light emitting element, light emitting device, and electronic device using the oxadiazole derivative'20138,389,132'Organometallic complex, and light-emitting device and electronic appliance using the same'20138,362,466'Light-emitting element, light-emitting device, and electronic device'20138,354,542'Heterocyclic compound, light-emitting element, light-emitting device, electronic device and lighting device'20138,343,639'Organic semiconductor material and light-emitting element, light-emitting device, lighting system, and electronic device using the same'20138,334,061'Heterocyclic compound, and light-emitting element, light-emitting device, lighting device, and electronic appliance using heterocyclic compound'20128,329,917'Heterocyclic compound and light-emitting element, light-emitting device, lighting device, and electronic device using the same'20128,313,845'Quinoxaline derivative, and light-emitting element, light-emitting device, lighting device, and electronic device using quinoxaline derivative'20128,304,094'Light-emitting element using spirofluorene derivative and electronic appliance'20128,298,687'Anthracene derivative, material for light emitting element, light emitting element, light emitting device, and electronic device'20128,293,921'Triazole derivative, and light-emitting element, light-emitting device, lighting device, and electronic device using triazole derivative'20128,288,197'Method for manufacturing a semiconductor device including a memory device comprising an insulator mixture region in a conductive layer'20128,288,012'Anthracene derivatives and light-emitting devices using the anthracene derivatives'20128,278,655'Organic compound, anthracene derivative, and light-emitting element, light-emitting device, and electronic device using anthracene derivative'20128,278,649'Light-emitting element, light-emitting device and electronic device'2012Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2007–2021Based in Kanagawa, JP· patent location history
2008–2021Patents assigned to SEMICONDUCTOR ENERGY LAB (355)· patent assignee history
2010–2021Based in Zama, JP· patent location history
2011–2018Patents assigned to OHSAWA NOBUHARU (145)· patent assignee history
2012–2018Patents assigned to SEO SATOSHI (116)· patent assignee history
2012–2015Patents assigned to KAWAKAMI SACHIKO (51)· patent assignee history
2012–2018Patents assigned to INOUE HIDEKO (33)· patent assignee history
2014–2021Based in Tochigi, JP· patent location history
2015Based in Atsugi, JP· patent location history
2021Based in Yokohama-shi, Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SEMICONDUCTOR ENERGY LAB | 355 | 2008–2021 |
| OHSAWA NOBUHARUself | 145 | 2011–2018 |
| SEO SATOSHI | 116 | 2012–2018 |
| KAWAKAMI SACHIKO | 51 | 2012–2015 |
| INOUE HIDEKO | 33 | 2012–2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 267 | 2007–2021 |
| Zama, JP | 64 | 2010–2021 |
| Tochigi, JP | 30 | 2014–2021 |
| Yokohama-shi, Kanagawa, JP | 1 | 2021 |
| Atsugi, JP | 1 | 2015 |