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Inventor

Kiyoshige Kinugawa

Inventor
Chiba, JP

Overview

41→
Patents
1979–2016
Patent span
Physics
Primary field (CPC G)

Patents· 41 as inventor

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

G09Gprimary
G09GArrangements or circuits for control of indicating devices using static means to present variable information51%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein24%
C03CChemical composition of glasses, glazes or vitreous enamels3%
H04NPictorial communication, e.g. television3%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation3%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution3%
C09KMaterials for miscellaneous applications, not provided for elsewhere2%
G06FElectric digital data processing2%
H01BCables2%
H05BElectric heating2%
PatentTitleYear
9,324,259'Image display device'20169,324,260'Image display device'20169,035,978'Image display device'20158,730,281'Image display device'20148,508,562'Image display device'20138,102,387'Image display device'20128,089,428'Flat panel display apparatus'20127,714,507'Organic electroluminescence display device having red, green, blue and white pixels'20107,518,577'Image display device'20097,468,715'Image display device'20087,436,376'Image display device'20087,286,105'Image display'20077,262,755'Multi-tone display device'20077,212,181'Multi-tone display device'20076,950,081'Image display device'20056,392,732'Active matrix type liquid crystal display apparatus'20026,191,765'Multi-tone display device'20016,191,767'Multi-tone display device'20016,108,066'In-plane field type liquid crystal display device comprising a structure which is prevented from charging with electricity'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'20006,034,757'In-plane field type liquid crystal display device comprising a structure which is prevented from charging electricity'20005,870,160'In-plane field type liquid crystal display device comprising a structure which is prevented from charging with electricity'19995,854,879'Method and apparatus for multi-level tone display for liquid crystal apparatus'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'19985,301,047'Liquid crystal display'19945,298,912'Multi-tone display device'19945,206,635'Method and apparatus for multi-level tone display for liquid crystal apparatus'19935,038,139'Half tone display driving circuit for crystal matrix panel and half tone display method thereof'19914,965,563'Flat display driving circuit for a display containing margins'19904,906,073'Liquid crystal display device using nematic liquid crystal having twisted helical structure and a phase correction plate'19904,855,728'Method and apparatus for converting display data form'19894,764,766'Method for driving and liquid crystal display device including dot matrix display part and fixed pattern display port'19884,746,197'Driving circuit for liquid crystal display device'19884,702,560'Liquid crystal display device'19874,701,025'Liquid crystal display device with driving method to eliminate blur due to frequency dependence'19874,431,683'Process for producing transparent electroconductive film'19844,295,711'Liquid crystal display device'19814,252,414'Liquid crystal display element'19814,252,841'Process for producing transparent conductive film'19814,238,276'Process for producing liquid crystal display element'19804,146,656'Method of manufacturing liquid crystal display device involving controlling the vapor deposition speed of the orientation layers'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–2008Patents assigned to HITACHI LTD (32)· patent assignee history
1979–1981Based in Mobara, JP· patent location history
1984–2007Based in Chiba, JP· patent location history
1987–2009Based in Mutsusawa, JP· patent location history
1987–2012Based in Chosei, JP· patent location history
2005–2016Based in Mutsuzawa, JP· patent location history
2009–2013Patents assigned to HITACHI DISPLAYS LTD (5)· patent assignee history
2012–2016Patents assigned to PANASONIC LIQUID CRYSTAL DISPL (7)· patent assignee history
2012–2013Patents assigned to KINUGAWA KIYOSHIGE (3)· patent assignee history
2014–2016Patents assigned to JAPAN DISPLAY INC (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD321979–2008
PANASONIC LIQUID CRYSTAL DISPL72012–2016
HITACHI DISPLAYS LTD52009–2013
JAPAN DISPLAY INC42014–2016
KINUGAWA KIYOSHIGEself32012–2013
Locations
LocationPatentsSpan
Chiba, JP171984–2007
Mutsuzawa, JP112005–2016
Mobara, JP51979–1981
Mutsusawa, JP31987–2009
Chosei, JP21987–2012