Inventor

Yutaka Ishii

Inventor

Nara, JP

Overview

1982–2019

Patent span

Physics

Primary field (CPC G)

Patents· 98 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 therein33%

G02BOptical elements, systems or apparatus9%

G09GArrangements or circuits for control of indicating devices using static means to present variable information8%

C07DHeterocyclic compounds4%

Y10TTechnical subjects covered by former us classification4%

C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments4%

B41MPrinting, duplicating, marking, or copying processes3%

C09DCoating compositions, e.g. paints, varnishes or lacquers3%

C09KMaterials for miscellaneous applications, not provided for elsewhere3%

C07CAcyclic or carbocyclic compounds2%

PatentTitleYear

10,279,573Manufacturing method of honeycomb structure, and bonding material2019 9,939,127Illumination device2018 9,371,254'Manufacturing method of honeycomb structure'2016 9,310,619'Optical film'2016 9,217,552'Illumination device'2015 9,122,097'Backlight system and LCD device using the same'2015 8,922,735'Backlight system and liquid crystal display device using the same'2014 8,810,752'Thin backlight system and liquid crystal display device using the same'2014 8,228,469'Liquid crystal display device'2012 8,212,974'Blue color composition containing dye, color filter and liquid crystal display device and organic EL display provided with the color filter'2012 8,199,278'Surface light source device'2012 8,054,404'Surface light source device'2011 8,054,423'Liquid crystal display device'2011 7,985,287'Anthrapyridone compound or a salt thereof, magenta ink composition containing the anthrapyridone compound and colored product'2011 7,952,667'Liquid crystal display device'2011 7,916,249'Color filter layer and display device using the same'2011 7,909,926'Ink composition and colored product'2011 7,871,464'Anthrapyridone compound or salt thereof, magenta ink composition and colored product'2011 7,785,411'Anthrapyridone compound or salt thereof, magenta ink composition and colored product'2010 7,750,162'Process for preparation of nonnatural amino acid and intermediate thereof'2010 7,691,191'Anthrapyridone compound, salt thereof, magenta ink composition and colored product'2010 7,678,185'Anthrapyridone compound or salt thereof, magenta ink composition containing the same, and colored product'2010 7,663,717'Liquid crystal display device'2010 7,649,094'Optically active compounds, method for kinetic optical resolution of carboxylic acid derivatives and catalysts therefor'2010 7,599,023'Color filter layer and transflective liquid crystal display device using the same'2009 7,535,528'Liquid crystal display device'2009 7,471,359'Color filter layer having different area ratio between different colors and transflective liquid crystal display device using the same'2008 7,468,768'Liquid crystal display device'2008 7,250,998'Color filter layer comprising a transmissive non-color filter region and the transflective display device using the same'2007 7,151,581'Liquid crystal display with light transmission regions and light reflection regions'2006 6,950,159'Transflective LCD device having less distance between transmission region and first bus line than transmission region and second bus line'2005 6,906,765'Color filter layer and display device using the same'2005 6,852,205'Water-electrolysis-device-use electrode plate, unit, solid electrolytic membrane unit and electrolytic cell'2005 6,819,379'Liquid crystal display device with light transmission and reflection regions'2004 6,797,828'Processes for the preparation of 4(5)-amino-5(4)-carboxamidoimidazoles and intermediates thereof'2004 6,742,349'Equipment sensing system and equipment control device'2004 6,659,909'Toroidal continuously variable transmission and manufacturing method thereof'2003 6,624,860'Color filter layer providing transmitted light with improved brightness and display device using same'2003 6,452,654'Liquid crystal display in which at least one pixel includes both a transmissive region and a reflective region'2002 6,330,047'Liquid crystal display device and method for fabricating the same'2001 6,295,109'LCD with plurality of pixels having reflective and transmissive regions'2001 6,215,538'Liquid crystal display including both color filter and non-color filter regions for increasing brightness'2001 6,195,140'Liquid crystal display in which at least one pixel includes both a transmissive region and a reflective region'2001 6,175,351'Image display apparatus and a method for driving the same'2001 6,115,099'Liquid crystal display device'2000 5,956,112'Liquid crystal display device and method for manufacturing the same'1999 5,926,158'Image display apparatus'1999 5,805,130'Liquid crystal display device and method for driving the same'1998 5,659,332'Display unit of input integral type'1997 5,657,100'Optical transmittance adjusting device having a matrix of electrodes each connected to a photoconductor smaller than the electrode'1997 5,642,214'Optical modulating element and electronic apparatus using it'1997 5,640,259'Liquid crystal device with the retardation of the liquid crystal layer greater than .lambda./2 and a method for driving the same'1997 5,627,557'Display apparatus'1997 5,617,229'Field sequential ferroelectric LCD having a single crystalline layer in which a plurality of circuit elements are formed'1997 5,610,414'Semiconductor device'1997 5,610,628'Driving device for a display panel and a driving method of the same'1997 5,594,466'Driving device for a display panel and a driving method of the same'1997 5,581,273'Image display apparatus'1996 5,579,199'Non-volatile memory device and a method for producing the same'1996 5,566,010'Liquid crystal display with several capacitors for holding information at each pixel'1996 5,552,840'Three dimensional projection display reflecting divided polarized light on to reflective liquid crystal display elements'1996 5,539,547'Liquid crystal device with plural polymer network films'1996 5,535,027'Liquid crystal display device with a photoconductor at each intersection of a linear luminous source and a linear electrode'1996 5,528,401'Liquid crystal display device having an orientation layer containing liquid crystal with a controlled orientation and method for manufacturing the same'1996 5,515,316'Non-volatile memory device having a memory medium containing a liquid crystal compound'1996 5,506,705'Goggle type display apparatus'1996 5,462,621'Method of forming an optical compensating plate of a liquid crystal display apparatus'1995 5,461,400'Display device'1995 5,444,651'Non-volatile memory device'1995 5,426,526'Reflection type single crystal silicon substrate liquid crystal display device and system'1995 5,341,231'Liquid crystal display device with edge lit lightguide reflecting light to back reflector by total internal reflection'1994 5,321,536'Liquid crystal operation device and an image system using the same'1994 5,272,553'Projection type liquid crystal display device with twisted nematic liquid crystal layers'1993 5,220,444'Reflective-type liquid crystal display device with etched oxide layer between substrate and metal film and method for producing same'1993 5,204,765'Liquid crystal display device having reflector of a substrate, a patterned resin, and a reflective film, and method of making same'1993 5,151,688'Input/output display panel with light pen'1992 5,148,297'Liquid crystal display device having an optical fiber substrate including fibers whose periphery is coated with a conductive material'1992 5,134,507'Liquid crystal display apparatus having a particular optical compensating member'1992 5,090,794'Method for driving a multi-layered-type liquid crystal display device'1992 5,071,230'Liquid crystal display device with selective transmitting means and an impedance changing layer'1991 5,067,562'Heat exchanger having fins which are different from one another in fin thickness'1991 5,044,732'Liquid-crystal display device'1991 5,005,285'Method of producing an aluminum heat exchanger'1991 4,926,168'Liquid crystal display device having a randomly determined polarity reversal frequency'1990 4,892,143'Heat exchanger'1990 4,801,933'Liquid crystal matrix device having separate driving circuits with diverse driving voltages'1989 4,788,000'Liquid-crystal composition'1988 4,722,804'Liquid crystal composition'1988 4,708,439'Liquid crystal display device with prism for viewing'1987 4,643,841'Liquid-crystal composition'1987 4,622,162'Liquid crystal composition'1986 4,579,425'Multiplexable liquid crystal display with reduced hysteresis'1986 4,553,821'Liquid crystal display devices'1985 4,552,436'Liquid crystal display having uniform transmittance'1985 4,536,060'Seal for dynamic scattering-twisted nematic liquid crystal display'1985 4,528,115'Liquid crystal composition and liquid crystal display device'1985 4,413,256'Driving method for display panels'1983 4,365,242'Driving technique for matrix liquid crystal display panel for displaying characters and a cursor'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–2018Patents assigned to SHARP KK (80)· patent assignee history

1982–2012Based in Nara, JP· patent location history

2010–2012Patents assigned to NIPPON KAYAKU KK (7)· patent assignee history

2010–2018Based in Osaka, JP· patent location history

2010–2011Based in Kita-ku, JP· patent location history

2011–2018Patents assigned to UNIV TOHOKU (8)· patent assignee history

2011Based in Tokyo, JP· patent location history

2012–2015Patents assigned to ISHII YUTAKA (6)· patent assignee history

2012–2015Patents assigned to HASHIMOTO YOSHIHIRO (4)· patent assignee history

2016–2019Based in Nagoya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SHARP KK	80	1982–2018
UNIV TOHOKU	8	2011–2018
NIPPON KAYAKU KK	7	2010–2012
ISHII YUTAKAself	6	2012–2015
HASHIMOTO YOSHIHIRO	4	2012–2015

Locations

Location	Patents	Span
Nara, JP	72	1982–2012
Osaka, JP	10	2010–2018
Kita-ku, JP	4	2010–2011
Nagoya, JP	2	2016–2019
Tokyo, JP	2	2011