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Inventor

Yoshihiko Hirai

Inventor
Tokyo, JP

Overview

68→
Patents
1985–2011
Patent span
Physics
Primary field (CPC G)

Patents· 68 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 therein35%
B82YSpecific uses or applications of nanostructures14%
H10DInorganic electric semiconductor devices14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h107%
G06FElectric digital data processing4%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices3%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h103%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%
PatentTitleYear
8,049,848'Liquid crystal display and method of manufacturing the same and method of driving the same'20117,787,078'LCD device suppressing a parallax problem'20107,612,848'Liquid crystal display and method of manufacturing the same and method of driving the same'20097,563,709'Pattern formation method and method for forming semiconductor device'20097,495,734'In-plane-switching liquid crystal display unit'20097,405,785'Transverse electric field active matrix liquid crystal display panel having particular optical compensation layer'20087,294,571'Concave pattern formation method and method for forming semiconductor device'20077,291,554'Method for forming semiconductor device'20077,273,820'Method for fabricating semiconductor device'20077,245,343'Liquid crystal display device'20077,212,270'Liquid crystal display and method of manufacturing the same and method of driving the same'20077,139,054'Active matrix liquid crystal display panel having particular optical compensation layer'20066,987,551'In-plane switching liquid crystal display unit having tinting compensation'20066,965,419'Active matrix liquid crystal display panel'20056,927,822'Orientation division type liquid crystal display, fabrication method thereof and image display method'20056,842,207'Active matrix liquid crystal display panel'20056,812,986'Liquid crystal display and method of manufacturing the same and method of driving the same'20046,768,530'Orientation division type liquid crystal display, fabrication method thereof and image display method'20046,750,934'Active-matrix liquid crystal display'20046,714,271'Liquid crystal display having an in a pixel electrode along a boundary of differently oriented regions'20046,650,390'Liquid crystal display panel having floating pixel electrode'20036,583,839'In-plane-switching liquid crystal display unit having tinting compensation'20036,515,719'Liquid crystal display apparatus and manufacturing method for the same'20036,504,584'Tablet integrated liquid crystal display apparatus with less parallax'20036,504,592'Liquid crystal display and method of manufacturing the same and method of driving the same'20036,473,140'Active matrix liquid crystal display'20026,469,765'Liquid crystal display and method of performing display operation'20026,466,293'Liquid crystal display with a liquid crystal orientation controlling electrode and processes for manufacturing and driving thereof'20026,456,352'Liquid crystal display device'20026,323,922'Liquid crystal display cell'20016,300,996'Liquid crystal display apparatus'20016,295,101'Tablet integrated liquid crystal display apparatus with less parallax'20016,256,082'Liquid crystal display with a liquid crystal orientation controlling electrode and processes for manufacturing and driving thereof'20016,103,583'Method for producing quantization functional device'20006,081,314'Liquid crystal display cell'20006,081,315'Liquid crystal display apparatus'20006,069,675'Active matrix liquid crystal display'20006,069,678'Liquid crystal display device with data line electric field shield utilizing common electrode'20006,015,978'Resonance tunnel device'20005,995,172'Tablet integrated liquid crystal display apparatus with less parallax'19995,972,744'Quantum effect device, method of manufacturing the same'19995,945,687'Quantization functional device, quantization functional apparatus utilizing the same, and method for producing the same'19995,888,852'Method for forming semiconductor microstructure, semiconductor device fabricated using this method, method for fabricating resonance tunneling device, and resonance tunnel device fabricated by this method'19995,781,262'Liquid crystal display cell'19985,763,545'Polymerization apparatus and a method for producing polymer using the same'19985,739,544'Quantization functional device utilizing a resonance tunneling effect and method for producing the same'19985,618,497'Polymerization apparatus effective in preventing polymer scale deposition'19975,562,802'Method of producing a quantum device which utilizes the quantum effect'19965,543,351'Method of producing electrically insulated silicon structure'19965,514,614'Method for producing quantization functional device utilizing a resonance tunneling effect'19965,504,604'Liquid crystal display elements with opposite twist domains aligned in the same direction on one substrate'19965,486,706'Quantization functional device utilizing a resonance tunneling effect and method for producing the same'19965,480,492'Method for removing organic or inorganic contaminant from silicon substrate surface'19965,447,999'Vinyl chloride polymerization with recycle return projecting into gas phase region of reactor'19955,444,267'Quantum device utilizing the quantum effect'19955,422,306'Method of forming semiconductor hetero interfaces'19955,405,454'Electrically insulated silicon structure and producing method therefor'19955,347,140'Resonant electron transfer device'19945,296,719'Quantum device and fabrication method thereof'19945,295,008'Color LCD panel'19945,244,828'Method of fabricating a quantum device'19935,214,291'Pattern forming method'19935,122,889'Active matrix liquid crystal display using mim diodes having symmetrical voltage-current characteristics as switching elements'19925,117,298'Active matrix liquid crystal display with reduced flickers'19925,069,534'Active matrix liquid crystal display with series-connected MIM structures as a switching element'19914,838,654'Liquid crystal display device having display and driver sections on a single board'19894,807,974'Liquid crystal display having a decoder between a driver and scan electrodes'19894,550,982'All-solid-state display including an organic electrochromic layer with ion donor/acceptor'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–2011Based in Tokyo, JP· patent location history
1989–2011Patents assigned to NEC CORP (36)· patent assignee history
1993–2007Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (21)· patent assignee history
1993–2009Based in Osaka, JP· patent location history
1995–1998Patents assigned to SHINETSU CHEMICAL CO (3)· patent assignee history
1997Based in Suwa, JP· patent location history
1998Based in Kamisu, JP· patent location history
2001Patents assigned to NEC COPORATION (1)· patent assignee history
2004–2010Patents assigned to NEC LCD TECHNOLOGIES LTD (6)· patent assignee history
2010Based in Kawasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NEC CORP361989–2011
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD211993–2007
NEC LCD TECHNOLOGIES LTD62004–2010
SHINETSU CHEMICAL CO31995–1998
NEC COPORATION12001
Locations
LocationPatentsSpan
Tokyo, JP421985–2011
Osaka, JP211993–2009
Kawasaki, JP12010
Kamisu, JP11998
Suwa, JP11997