Inventor
Takao Takiguchi
Inventor
Tokyo, JP
Overview
Patents· 158 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere27%
H10KOrganic electric solid-state devices18%
C07DHeterocyclic compounds13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests12%
H05BElectric heating12%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium6%
C07CAcyclic or carbocyclic compounds5%
G03GElectrography2%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments1%
Y10TTechnical subjects covered by former us classification1%
PatentTitleYear
8,920,943'Luminescence device and display apparatus'20148,808,875'Compound and organic EL device'20148,481,175'Oligofluorene compound and organic EL element using same'20138,384,286'Compound and organic light emitting device using the compound'20138,318,321'Compound and organic light-emitting device'20128,318,395'Dibenzoanthracene compound and organic light emitting device having the same'20128,288,017'Fused ring aromatic compound and organic light-emitting device using same'20128,283,053'Fluoranthene derivative and organic light emitting device having the same'20128,268,455'Organic compound for light-emitting device, light-emitting device, and image display apparatus'20128,158,835'Fluorene compound and organic electroluminescence device'20128,147,988'Platinum complex and organic light-emitting element using same'20128,084,147'Organic light-emitting device'20118,072,136'Compound and organic light emitting device using the compound'20118,034,464'Fluorene derivative and organic electroluminescence device using the same'20118,026,664'Compound and organic light emitting device'20118,021,766'Benzo(GHI)fluoranthene derivative and organic light emitting device using the same'20118,017,774'Producing method for iridium complex'20117,998,597'Organic light emitting device'20117,981,525'Naphthalene compound and organic light-emitting device using the compound'20117,982,213'Phenanthroline compound and organic light emitting device using same'20117,977,869'Organic luminescent device and benzo[k]fluoranthene compound'20117,976,958'Metal complex compound, electroluminescent device and display apparatus'20117,964,292'Metal complex, light-emitting device, and display apparatus'20117,960,041'Fused ring aromatic compound and organic light-emitting device using same'20117,932,592'Compound and organic light-emitting element'20117,927,718'Compound for organic EL device and light-emitting device'20117,923,129'Carbazole derivative and organic light emitting device using the same'20117,914,907'Light-emitting device'20117,910,227'Light emitting device having dopants in a light emitting layer'20117,875,366'Luminescent device'20117,858,210'Electroluminescence device'20107,799,442'Full-color organic el panel'20107,794,855'Compound and organic light-emitting element'20107,790,299'Light emitting device having dopants in a light emitting layer'20107,736,758'Light emitting device having dopants in a light emitting layer'20107,709,832'Organic compound and organic light-emitting element'20107,704,609'Compound and organic electroluminescense device using the same'20107,691,493'Polymeric compound and organic luminescence device'20107,687,155'Luminescence device and display apparatus'20107,687,154'Light-emitting device'20107,629,062'Organic light-emitting element and display device'20097,597,955'Light-emitting device, organic compound and display'20097,550,594'Phenanthroline compound and organic light emitting device using same'20097,544,426'Luminescence device and display apparatus'20097,534,506'Luminescence device, display apparatus and metal coordination compound'20097,527,879'Luminescence device and display apparatus'20097,517,596'Phenanthroline compound and light-emitting device'20097,510,783'Organic light-emitting element and display device'20097,446,471'OLED provided with organic layer comprising first and second dopants based on iridium organic complex compounds'20087,413,818'Light-emitting device'20087,361,414'Light emitting device and display apparatus using same'20087,354,662'Metal coordination compound, luminescence device and display apparatus'20087,279,233'Light-emitting material and light-emitting device'20077,238,435'Polymeric compound and organic luminescence device'20077,220,495'Luminescence device, display apparatus and metal coordination compound'20077,189,466'Organic light-emitting element and display device'20077,166,958'Light emitting device having dopant in a light emitting layer, and method of producing the light emitting device'20077,147,935'Luminescence device and display apparatus'20067,108,924'Polymer compound and electroluminescent element'20067,094,477'Luminescence device and display apparatus'20067,078,115'Metal coordination compound and electroluminescence device'20067,026,062'Luminescence device, display apparatus and metal coordination compound'20067,015,638'Organic electroluminescent device and display apparatus'20066,991,857'Metal coordination compound, luminescence device and display apparatus'20066,974,639'Metal coordination compound, luminescence device and display apparatus'20056,953,628'Luminescence device and display apparatus'20056,946,207'Electroconductive device, organic electroluminescence device using the device and process for producing the electroconductive device'20056,929,873'Electroluminescent device using metal coordination compound'20056,921,915'Metal coordination compound, luminescence device and display apparatus'20056,908,694'Organic electroluminescence device'20056,897,913'Luminescence device'20056,884,477'Electroluminescence device using liquid crystal compound'20056,869,694'Metal coordination compound, luminescence device and display apparatus'20056,870,583'Conductive liquid crystal device and organic electroluminescence device'20056,838,818'Light emitting device having a dopant in a light emitting layer and method of producing the light emitting device'20056,836,068'Organic electroluminescent device and display apparatus'20046,835,471'Light emitting device and display unit which make use of porphyrin derivative compound'20046,824,894'Metal coordination compound and electroluminescence device'20046,821,646'Luminescence device, display apparatus and metal coordination compound'20046,815,091'Luminescence device, display apparatus and metal coordination compound'20046,812,497'Organic light emitting device'20046,797,980'Metal coordination compound, luminescence device and display apparatus'20046,788,361'Electro-conductive liquid crystal element and organic electro-luminescence element'20046,783,873'Metal coordination compound and organic luminescence device'20046,780,528'Luminescence device and metal coordination compound therefor'20046,737,127'Liquid crystal device and organic electroluminescence device using the same'20046,733,905'Metal coordination compound, luminescence device and display apparatus'20046,685,524'Process for producing electroluminescent device with liquid crystal layer'20046,645,579'Liquid crystal device'20036,614,501'Electroconductive device having supercooled liquid crystal layer'20036,528,940'Conductive liquid crystal device, and organic electroluminescence device'20036,491,847'Discotic liquid crystal and organic electroluminescence device using same'20026,323,850'Driving method for liquid crystal device'20016,159,562'Discotic liquid crystal device and alignment method therefor'20006,128,064'Liquid crystal device and liquid crystal display apparatus'20005,868,960'Mesomorphic compound, liquid crystal composition containing the compound, liquid crystal device using the composition, liquid crystal apparatus and display method'19995,849,217'Optically active compound, liquid crystal composition containing the same, liquid crystal device using the same, liquid crystal apparatus and display method'19985,733,476'Mesomorphic compound, liquid crystal composition, liquid crystal device, display apparatus and display method'19985,695,684'Mesomorphic compound, liquid crystal composition containing the compound, liquid crystal device using the composition, liquid crystal apparatus and display method'19975,686,020'Mesomorphic compound, liquid crystal composition, liquid crystal device, display apparatus and display method'19975,653,913'Mesomorphic compound, liquid crystal composition containing the compound, liquid crystal device using the composition, liquid crystal apparatus and display method'19975,624,600'Optically active compound, liquid crystal composition containing the compound, liquid crystal device using the composition, liquid crystal apparatus and display method'19975,599,479'Ferroelectric chiral smectic liquid crystal composition and liquid crystal device using same'19975,595,685'Mesomorphic compound, liquid crystal composition containing same, liquid crystal device using same and display apparatus'19975,593,616'Optically inactive, mesomorphic compound, liquid crystal composition containing the compound, liquid crystal device using the composition, liquid crystal apparatus and display method'19975,589,103'Mesomorphic compound, liquid crystal composition containing same, and liquid crystal device using same'19965,580,489'Method of producing a liquid crystal composition'19965,580,488'Mesomorphic compound liquid crystal composition containing the compound, liquid crystal device using the composition, display apparatus and display method'19965,514,297'Ferroelectric chiral smectic liquid crystal composition and liquid crystal device using same'19965,512,209'Quinoxaline compound, liquid crystal composition containing the compound, liquid crystal device using the composition, display apparatus and display method'19965,501,818'Ferroelectric chiral smectic liquid crystal composition and liquid crystal device using same'19965,462,694'Mesomorphic compound, liquid crystal composition containing the compound, liquid crystal device using the composition, liquid crystal apparatus and display method'19955,419,932'Liquid crystal device and display apparatus'19955,409,636'Ferroelectric chiral smectic liquid crystal composition and liquid crystal device using same'19955,405,553'Ferroelectric chiral smectic liquid crystal composition and liquid crystal device using same'19955,395,551'Mesomorphic compound, liquid crystal composition, liquid crystal device, display apparatus and display method'19955,385,692'Mesomorphic compound, liquid crystal composition, liquid crystal device, display apparatus and display method'19955,364,559'Ferroelectric chiral smectic liquid crystal composition and liquid crystal device using same'19945,354,501'Mesomorphic compound, liquid crystal composition, liquid crystal device, display apparatus and display method'19945,328,640'Ferroelectric chiral smectic liquid crystal composition and liquid crystal device using same'19945,318,720'Liquid crystal composition, liquid crystal device, display apparatus and display method'19945,292,453'Ferroelectric liquid crystal composition with improved driving voltage and temperature margins and liquid crystal device using same'19945,284,599'Mesomorphic compound, liquid crystal composition containing same, liquid crystal device using same display apparatus'19945,281,362'Optically active compound, liquid crystal composition, liquid crystal device, display apparatus and display method'19945,250,219'Mesomorphic compound, liquid crystal composition containing same and liquid crystal device using same'19935,250,217'Ferroelectric chiral smectic liquid crystal composition and liquid crystal device using same'19935,244,595'Mesomorphic compound and liquid crystal composition containing same for use in liquid crystal device and display apparatus'19935,244,596'Mesomorphic compound for use in liquid crystal composition and liquid crystal device and display apparatus using same'19935,240,637'Ferroelectric chiral smectic liquid crystal composition and liquid crystal device using same'19935,238,601'Ferroelectric chiral smectic liquid crystal composition and liquid crystal device using same'19935,236,619'Mesomorphic compound, liquid crystal composition containing same, liquid crystal device using same and display apparatus'19935,217,645'Mesomorphic compound, liquid crystal composition, liquid crystal device, display apparatus and display method'19935,213,709'Mesomorphic compound, liquid crystal composition, liquid crystal device, display apparatus and display method'19935,200,109'Mesomorphic compound, liquid crystal composition containing same and liquid crystal device using same'19935,194,177'Optically active compound, liquid crystal composition, liquid crystal device, display apparatus and display method'19935,190,690'Mesomorphic compound, liquid crystal composition containing same and liquid crystal device using same'19935,188,762'Mesomorphic compound, liquid crystal composition, liquid crystal device, display apparatus and display method'19935,186,858'Ferroelectric chiral smectic liquid crystal composition and liquid crystal device using same'19935,176,845'Mesomorphic compound, liquid crystal composition, liquid crystal device, display apparatus and display method'19935,118,441'Mesomorphic compound, liquid crystal composition and liquid crystal device using same'19925,116,530'Mesomorphic compound, liquid crystal composition containing same and liquid crystal device using same'19925,098,600'Liquid crystal compound, liquid crystal composite including the compound and liquid crystal device utilizing the composite'19925,091,109'Mesomorphic compound, liquid crystal composition containing same and liquid crystal device using same'19925,076,961'Mesomorphic compound, liquid crystal composition containing same and liquid crystal device using same'19915,075,030'Liquid crystal composition and liquid crystal device using same'19915,034,151'Mesomorphic compound, ferroelectric liquid crystal composition containing same and ferroelectric liquid crystal device'19915,024,912'5H-dibenzo(A,D) cycloheptanylidene derivative and 5H-dibenzo (A,D) cycloheptenylidene derivative, and electrophotographic photosensitive member using the same'19914,830,944'Function separated photosensitive member having a diphenylamine derivative disazo charge generation material'19894,810,607'Photosensitive member for electrophotography containing trisazo pigment having pyridylene group in its central skeleton'19894,798,777'Electrophotographic member containing vinylene benzocarazole as charge transporting material'19894,788,119'Electrophotographic photosensitive member containing a disazo pigment'19884,760,003'Electrophotographic photosensitive member containing disazo compound'19884,743,523'Photosensitive member for electrophotography'19884,735,882'Trisazo photsensitive member for electrophotography'19884,702,982'Electrophotographic photosensitive member comprising disazo pigment'19874,666,810'Photosensitive member for electrophotography comprising azo pigments'19874,610,943'Electrophotographic photosensitive member contains disazo photoconductive compound'19864,324,801'Phenylguanidine acetylsalicylate compounds, process for production thereof, and pharmaceutical composition thereof'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–2014Based in Tokyo, JP· patent location history
1986–2014Patents assigned to CANON KK (157)· patent assignee history
1993–2007Based in Setagaya, JP· patent location history
2004Based in Saitama-shi, JP· patent location history
2004Based in Kanagawa, JP· patent location history
2009–2014Based in Chofu, JP· patent location history
2011–2014Patents assigned to TAKIGUCHI TAKAO (13)· patent assignee history
2011–2014Patents assigned to OKADA SHINJIRO (12)· patent assignee history
2011–2014Patents assigned to IGAWA SATOSHI (11)· patent assignee history
2011–2014Patents assigned to HASHIMOTO MASASHI (10)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CANON KK | 157 | 1986–2014 |
| TAKIGUCHI TAKAOself | 13 | 2011–2014 |
| OKADA SHINJIRO | 12 | 2011–2014 |
| IGAWA SATOSHI | 11 | 2011–2014 |
| HASHIMOTO MASASHI | 10 | 2011–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 127 | 1982–2014 |
| Chofu, JP | 25 | 2009–2014 |
| Setagaya, JP | 4 | 1993–2007 |
| Saitama-shi, JP | 1 | 2004 |
| Kanagawa, JP | 1 | 2004 |