Inventor

Sukekazu Aratani

Inventor
Hitachiota, JP

Overview

87→
Patents
1993–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 87 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G02Fprimary
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein26%
H10KOrganic electric solid-state devices25%
H05BElectric heating13%
C09KMaterials for miscellaneous applications, not provided for elsewhere6%
G09GArrangements or circuits for control of indicating devices using static means to present variable information6%
H01LSemiconductor devices6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
Y10TTechnical subjects covered by former us classification4%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications2%
B05BSpraying apparatus1%
PatentTitleYear
10,989,700Temperature history indicator202110,892,427Organometallic compound, organic light-emitting device including the organometallic compound, and diagnostic composition including the organometallic compound202110,297,778Light-emitting device20199,954,193Material for forming organic light-emitting layer, coating liquid for forming organic light-emitting element, organic light-emitting element and light source device, and method for manufacturing same20189,935,291Organic light-emitting device, light source device using same, organic light-emitting layer material, coating liquid for forming organic light-emitting layer, and method for producing organic light-emitting device20189,570,717'Organic luminescent materials, coating solution using same for organic'20179,496,516'Organic light-emitting element, light source device and method of manufacturing organic light-emitting element'20169,306,177'Organic light-emitting layer material, coating liquid for use in forming organic light-emitting layer with organic material, organic light-emitting device produced with coating liquid, light source apparatus with organic light-emitting device, and methods for manufacture thereof'20169,281,489'Organic luminescent materials, coating solution using organic luminescent materials for organic emitting layer, organic light emitting device using coating solution, light source device using organic light emitting device and method of organic light emitting device'20169,118,031'Organic light-emitting device, coating liquid for forming organic light-emitting device, material for forming organic light-emitting device, light source device using organic light-emitting device, and organic light-emitting device producing method'20159,105,856'Organic luminescent materials, coating solution using same for organic'20158,730,443'Liquid crystal display device'20148,729,536'Organic luminescent materials, coating solution using same for organic emitting layer, organic light emitting device using coating solution and light source device using organic light emitting device'20148,704,988'In-plane field type liquid crystal display device comprising liquid crystal molecules with more than two kinds of reorientation directions'20148,552,930'Liquid crystal display apparatus'20138,536,611'Organic light-emitting element, method for manufacturing the organic light-emitting element, apparatus for manufacturing the organic light-emitting element, and organic light-emitting device using the organic light-emitting element'20138,476,618'Organic electroluminescent display device'20138,427,613'In-plane field type liquid crystal display device comprising liquid crystal molecules with more than two kinds of reorientation directions'20138,358,394'Liquid crystal display'20138,319,211'Organic luminescent materials, coating solution using same for organic emitting layer, organic light emitting device using coating solution and light source device using organic light emitting device'20128,233,126'Liquid crystal display device with semiconductor layer of TFT and pixel electrode at different levels'20128,174,467'Picture image display device and method of driving the same'20128,158,969'Organic light emitting display device'20128,154,698'In-plane field type liquid crystal display device comprising liquid crystal molecules with more than two kinds of reorientation directions'20128,040,043'Display device and luminous panel'20118,026,662'Organic light-emitting element, image display device and production method thereof'20118,027,005'Liquid crystal display having a pixel region with a source electrode of at least a high-melting-point metal layer'20118,008,852'Organic light-emitting display device and production method of the same'20117,956,973'In-plane field type liquid crystal display device comprising liquid crystal molecules with more than two kinds of reorientation directions'20117,943,963'Organic light-emitting display device'20117,909,672'Organic light-emitting display device'20117,898,172'Organic light emitting display apparatus'20117,878,670'Illumination apparatus and liquid crystal display apparatus'20117,837,343'Illuminating device and display device'20107,795,808'Organic electroluminescent display device having pixel structure and terminal structure'20107,781,962'Organic light-emitting devices and displays including a polarization separator, a phase plate, and a polarizer'20107,724,334'In-plane field type liquid crystal display device comprising liquid crystal molecules with more than two kinds of reorientation directions'20107,692,375'Organic light emitting display apparatus'20107,633,094'Electroluminescence display panel, image display, and method for manufacturing them'20097,619,244'Organic light emitting display apparatus'20097,612,853'Active matrix liquid crystal display device'20097,599,031'Liquid crystal display device'20097,525,129'Organic light-emitting display'20097,483,002'Picture image display device and method of driving the same'20097,408,197'Organic light-emitting display device'20087,345,729'In-plane field type liquid crystal display device comprising liquid crystal molecules with more than two kinds of reorientation directions'20087,339,316'Organic light-emitting devices and displays including a polarization separator, a phase plate, and a polarizer'20087,297,377'Liquid crystal display devices'20077,291,973'Organic El display having auxiliary electrodes formed adjacent light extraction layer'20077,233,304'Liquid crystal display apparatus'20077,158,202'In-plane field type liquid crystal display device comprising liquid crystal molecules with more than two kinds of reorientation directions'20077,095,470'In-plane field type liquid crystal display device comprising liquid crystal molecules with more than two kinds of reorientation directions'20067,088,414'In-plane field type liquid crystal display device comprising liquid crystal molecules with more than two kinds of reorientation directions'20067,079,212'In-plane field type liquid crystal display device comprising liquid crystal molecules with more than two kinds of reorientation directions'20067,046,325'In-plane field type liquid crystal display device comprising liquid crystal molecules with more than two kinds of reorientation directions'20067,046,324'In-plane field type liquid crystal display device comprising liquid crystal molecules with more than two kinds of reorientation directions'20067,012,365'Light-emitting device and light-emitting display with a polarization separator between an emissive layer and a phase plate'20066,975,374'Lateral electric-field liquid crystal display device suitable for improvement of aperture ratio'20056,896,979'Film for organic EL device and an organic EL device using the film'20056,864,638'Organic light-emitting display device'20056,849,128'Organic EL display and production device of color filter cross reference to related application'20056,833,898'Liquid crystal display apparatus'20046,831,724'Lateral electric-field liquid crystal display device suitable for improvement of aperture ratio'20046,776,844'Organic EL display and production device of color filter'20046,757,044'Liquid crystal display device with spacers controlling thickness of liquid crystal layer'20046,738,034'Picture image display device and method of driving the same'20046,638,645'Film for organic EL device and an organic EL device using the film'20036,545,658'In-plane field type liquid crystal display device comprising liquid crystal molecules with more than two kinds of reorientation directions'20036,532,053'Transverse electric field system liquid crystal display device suitable for improving aperture ratio'20036,483,564'Liquid crystal display apparatus'20026,462,799'Lateral electric-field liquid crystal display device suitable for improvement of aperture ratio'20026,441,880'Normally closed liquid crystal display device using spacers coated with material having liquid crystal aligning ability by irradiation with polarized light'20026,423,385'Liquid crystal display devices'20026,392,732'Active matrix type liquid crystal display apparatus'20026,310,676'Liquid crystal display apparatus'20016,266,116'In-plane field type liquid crystal display device comprising liquid crystal molecules with more than two kinds of reorientation directions'20016,236,441'Liquid crystal display apparatus and a method for manufacturing the same'20016,222,602'Liquid crystal display apparatus and a method for manufacturing the same'20016,130,737'Lateral electric field switching mode liquid crystal display apparatus without black stains'20006,100,956'Active matrix type liquid crystal display apparatus with a shielding layer having a specific resistance of a part thereof being less than 10.sup.8 .OMEGA..multidot.CM'20006,040,887'Liquid crystal display device with wide viewing angle characteristics comprising high resistivity black matrix'20005,854,139'Organic field-effect transistor and production thereof'19985,831,701'Liquid crystal display device with wide viewing angle characteristics comprising high resistivity black matrix'19985,805,247'Liquid crystal display apparatus in which plural common electrodes are parallel to the pixel electrodes on the same substrate and a black matrix on the opposing substrate'19985,705,826'Field-effect transistor having a semiconductor layer made of an organic compound'19985,215,842'Photosensitive element for electrophotography'19935,176,854'Non-linear optical device'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2021Patents assigned to HITACHI LTD (67)· patent assignee history
1993–2014Based in Hitachi, JP· patent location history
2000–2007Based in Hitachioota, JP· patent location history
2002–2018Based in Hitachiota, JP· patent location history
2002–2013Based in Hitachiohta, JP· patent location history
2009–2013Patents assigned to HITACHI DISPLAYS LTD (15)· patent assignee history
2010–2021Based in Tokyo, JP· patent location history
2012–2018Patents assigned to ARATANI SUKEKAZU (16)· patent assignee history
2012–2014Patents assigned to PANASONIC LIQUID CRYSTAL DISPL (9)· patent assignee history
2012–2018Patents assigned to SAKUMA HIROTAKA (6)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD671993–2021
ARATANI SUKEKAZUself162012–2018
HITACHI DISPLAYS LTD152009–2013
PANASONIC LIQUID CRYSTAL DISPL92012–2014
SAKUMA HIROTAKA62012–2018
Locations
LocationPatentsSpan
Hitachiota, JP362002–2018
Hitachi, JP261993–2014
Hitachiohta, JP112002–2013
Tokyo, JP52010–2021
Hitachioota, JP52000–2007