LexDanaLexDanabeta
Inventor

Akira Tsuboyama

Inventor
Sagamihara, JP

Overview

150→
Patents
1987–2014
Patent span
Electricity
Primary field (CPC H)

Patents· 150 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 elsewhere19%
H10KOrganic electric solid-state devices19%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
G09GArrangements or circuits for control of indicating devices using static means to present variable information14%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein11%
H05BElectric heating11%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium8%
C07DHeterocyclic compounds2%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds1%
C07CAcyclic or carbocyclic compounds1%
PatentTitleYear
8,920,943'Luminescence device and display apparatus'20148,080,322'Light emitting device having high luminous efficiency and high stability'20118,076,681'White organic electroluminescent device'20118,076,841'Organic electroluminescent display apparatus'20118,067,099'Phosphorescent material, and organic electroluminescent device and image display apparatus using same'20118,007,925'Organic electroluminescence device and display apparatus'20117,928,650'Organic EL display apparatus'20117,910,227'Light emitting device having dopants in a light emitting layer'20117,875,366'Luminescent device'20117,834,135'Light emitting device and polymeric mixed-metal complex'20107,808,175'Light emitting material and light emitting device'20107,790,299'Light emitting device having dopants in a light emitting layer'20107,749,617'Organic compound and organic light-emitting device'20107,736,758'Light emitting device having dopants in a light emitting layer'20107,691,493'Polymeric compound and organic luminescence device'20107,687,155'Luminescence device and display apparatus'20107,629,062'Organic light-emitting element and display device'20097,597,955'Light-emitting device, organic compound and display'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'20097,510,783'Organic light-emitting element and display device'20097,459,559'Metal complex and organic light-emitting device'20087,446,471'OLED provided with organic layer comprising first and second dopants based on iridium organic complex compounds'20087,413,818'Light-emitting device'20087,388,327'Light-emitting device and display apparatus'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'20077,205,054'Metal coordination compound, luminescence device and display apparatus'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'20056,870,583'Conductive liquid crystal device and organic electroluminescence device'20056,869,694'Metal coordination compound, luminescence device and display apparatus'20056,858,271'Conductive organic compound device, 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'20056,835,471'Light emitting device and display unit which make use of porphyrin derivative compound'20046,836,068'Organic electroluminescent device and display apparatus'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'20046,743,377'Smectic polymer liquid crystals, process for production thereof and electronic device'20046,737,127'Liquid crystal device and organic electroluminescence device using the same'20046,733,905'Metal coordination compound, luminescence device and display apparatus'20046,714,212'Display apparatus'20046,693,695'Liquid crystal device and driving method therefor'20046,685,524'Process for producing electroluminescent device with liquid crystal layer'20046,670,937'Liquid crystal display apparatus'20036,645,579'Liquid crystal device'20036,614,501'Electroconductive device having supercooled liquid crystal layer'20036,573,879'Plasma-addressed liquid crystal display device'20036,542,211'Liquid crystal device and driving method therefor'20036,528,940'Conductive liquid crystal device, and organic electroluminescence device'20036,491,847'Discotic liquid crystal and organic electroluminescence device using same'20026,452,581'Driving method for liquid crystal device and liquid crystal apparatus'20026,344,840'Plasma-addressed liquid crystal display device'20026,252,641'Liquid crystal device and liquid crystal apparatus'20016,222,517'Liquid crystal apparatus'20016,221,444'Liquid crystal device'20016,195,137'Liquid crystal apparatus'20016,154,265'Liquid crystal device and production process thereof'20006,028,579'Driving method for liquid crystal devices'20005,995,076'Liquid crystal apparatus using different types of drive waveforms alternately'19995,963,190'Driving method for display device and display apparatus'19995,936,601'Chevron-type liquid crystal device having effective display and pattern display regions'19995,894,297'Display apparatus'19995,886,678'Driving method for liquid crystal device'19995,818,408'Liquid crystal apparatus'19985,815,130'Chiral smectic liquid crystal display and method of selectively driving the scanning and data electrodes'19985,815,131'Liquid crystal apparatus'19985,815,133'Display apparatus'19985,808,594'Driving method for display device and display apparatus'19985,796,381'Driving methods for liquid crystal devices and liquid crystal apparatus'19985,790,223'Ferroelectric liquid crystal device and treatment method therefor'19985,777,592'Liquid crystal apparatus'19985,734,367'Liquid crystal apparatus'19985,691,740'Liquid crystal apparatus and driving method'19975,675,356'Driving apparatus'19975,673,062'Liquid crystal apparatus'19975,627,559'Electrooptical display apparatus and driver'19975,615,027'Liquid crystal apparatus and display system'19975,606,343'Display device'19975,602,562'Liquid crystal apparatus and driving method'19975,592,191'Display apparatus'19975,583,534'Method and apparatus for driving liquid crystal display having memory effect'19965,543,943'Chiral smectic device subjected to a simultaneous thermal and AC field treatment'19965,530,569'Ferroelectric liquid crystal device with AC electric field pretreatment for bistability'19965,526,015'Display apparatus having a display region and a non-display region'19965,506,601'Liquid crystal apparatus'19965,506,600'Driving apparatus'19965,420,603'Display apparatus'19955,353,137'Liquid crystal apparatus'19945,323,253'Liquid crystal device'19945,321,419'Display apparatus having both refresh-scan and partial-scan'19945,283,564'Liquid crystal apparatus with temperature-dependent pulse manipulation'19945,276,542'Ferroelectric liquid crystal apparatus having temperature compensation control circuit'19945,267,065'Liquid crystal apparatus'19935,233,447'Liquid crystal apparatus and display system'19935,172,105'Display apparatus'19925,165,076'Ferroelectric liquid crystal device with particular primer alignment, and liquid crystal layers'19925,124,820'Liquid crystal apparatus'19925,114,613'Lactic acid derivative and liquid crystal composition containing same'19925,099,344'Ferroelectric liquid crystal device'19925,058,994'Liquid crystal apparatus'19915,041,821'Ferroelectric liquid crystal apparatus with temperature dependent DC offset voltage'19915,035,491'Liquid crystal apparatus'19915,033,822'Liquid crystal apparatus with temperature compensation control circuit'19915,026,144'Liquid crystal device, alignment control method therefor and driving method therefor'19915,013,137'Ferroelectric liquid crystal device having increased tilt angle'19915,009,489'Liquid crystal device'19914,941,736'Ferroelectric liquid crystal device and driving method therefor'19904,932,757'Ferroelectric liquid crystal device'19904,902,107'Ferroelectric liquid crystal optical device having temperature compensation'19904,898,456'Liquid crystal optical device'19904,883,344'Liquid crystal device having a modified polyvinyl alcohol alignment layer'19894,882,085'Lactic acid derivative and liquid crystal composition containing same'19894,846,560'Liquid crystal device with ferroelectric liquid crystal oriented at non-pixel portions'19894,820,026'Ferroelectric liquid crystal device with modified polyvinyl alcohol alignment film'19894,796,979'Ferroelectric liquid crystal device having dual laminated alignment films'19894,783,148'Ferroelectric liquid crystal device'19884,778,259'Ferroelectric liquid crystal devices having reverse twist angle and stable states resulting from A.C. excitation'19884,775,225'Liquid crystal device having pillar spacers with small base periphery width in direction perpendicular to orientation treatment'19884,744,639'Ferroelectric liquid crystal device having a flattening layer'19884,728,176'Ferroelectric liquid crystal device with metallic auxiliary electrodes provided adjacent to the transparent electrodes'19884,721,367'Liquid crystal device'19884,712,877'Ferroelectric display panel of varying thickness and driving method therefor'19874,712,875'Dimensions of spacer particles for a ferroelectric liquid crystal display'19874,674,839'Ferroelectric liquid crystal apparatus having protective cover means'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–2014Patents assigned to CANON KK (149)· patent assignee history
1987–2011Based in Tokyo, JP· patent location history
1990–2014Based in Sagamihara, JP· patent location history
1991–2014Patents assigned to TSUBOYAMA AKIRA (6)· patent assignee history
1994–2004Based in Atsugi, JP· patent location history
2004–2011Based in Kanagawa, JP· patent location history
2010–2011Based in Machida, JP· patent location history
2011Patents assigned to SUZUKI KOICHI (3)· patent assignee history
2011Patents assigned to IKARI KENICHI (2)· patent assignee history
2011–2014Patents assigned to KAMATANI JUN (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK1491987–2014
TSUBOYAMA AKIRAself61991–2014
SUZUKI KOICHI32011
IKARI KENICHI22011
KAMATANI JUN22011–2014
Locations
LocationPatentsSpan
Sagamihara, JP691990–2014
Tokyo, JP241987–2011
Kanagawa, JP242004–2011
Atsugi, JP211994–2004
Machida, JP82010–2011