Inventor

Hideaki Takao

Inventor

Sagamihara, JP

Overview

1987–2001

Patent span

Physics

Primary field (CPC G)

Patents· 47 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 therein47%

C09KMaterials for miscellaneous applications, not provided for elsewhere18%

Y10TTechnical subjects covered by former us classification9%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds8%

G02BOptical elements, systems or apparatus8%

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices4%

B41JTypewriters2%

G03CPhotosensitive materials for photographic purposes2%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation1%

PatentTitleYear

6,309,783'Color filter and method of manufacturing the same'2001 6,177,214'Color filter manufacturing method, color filter, display apparatus, and apparatus having the display apparatus'2001 6,154,265'Liquid crystal device and production process thereof'2000 6,143,450'Color filter substrate manufacturing method, color filter substrate manufactured by this manufacturing method, and liquid crystal element using this color filter substrate'2000 6,139,927'Liquid crystal device'2000 6,127,072'Production of color filter by forming light-screening layer and irradiating resin layer to achieve ink-accepting property'2000 6,001,276'Liquid crystal device'1999 5,877,836'Liquid crystal device and process for production thereof'1999 5,835,248'Method of making ferroelectric liquid crystal device using particles to create an unevenness on alignment layer or underlying insulating layer'1998 5,815,230'Liquid crystal device and process for production thereof'1998 5,764,327'Ferroelectric liquid crystal device with uneven surface under alignment film and process for production'1998 5,734,456'Ferroelectric liquid crystal device and display having maximum peak of surface roughness of color filter of 0.1 micron or less'1998 5,721,077'Process for producing a color filter'1998 5,721,089'Photosensitive material, color filter and liquid crystal device having the color filter'1998 5,714,209'Liquid crystal device'1998 5,650,867'Functional substrate for controlling pixels'1997 5,633,740'Chiral smectic liquid crystal device having at least one orientation film divided into regions with different uniaxial aligning treatment'1997 5,626,925'Liquid crystal device'1997 5,594,571'Ferroelectric liquid crystal device and process for production thereof'1997 5,587,211'Liquid crystal device and liquid crystal apparatus including same'1996 5,576,864'Chiral smectic liquid crystal device having fluorine-containing polymeric alignment film with predetermined refractive index anisotropy after rubbing'1996 5,571,580'Liquid crystal device'1996 5,568,293'Liquid crystal display having trapezoidal color filters formed from a low-temperature curing polyamino resin having a photosensitive group'1996 5,552,193'Liquid crystal device'1996 5,548,424'Liquid crystal device having two resins films formed from solutions of different viscosities'1996 5,518,782'Liquid crystal device'1996 5,510,159'Liquid crystal device'1996 5,500,751'Ferroelectric liquid crystal color filter surrounded by a heat fusible resin'1996 5,464,668'Liquid crystal device'1995 5,419,931'Liquid crystal device'1995 5,419,932'Liquid crystal device and display apparatus'1995 5,400,159'Liquid crystal device having alignment film with particular surface energy difference before and after rubbing'1995 5,398,126'Ferroelectric color liquid crystal device lacking alignment defects'1995 5,381,256'Ferroelectric liquid crystal device with fine particles on insulator, having diameter less than substrate gap'1995 5,330,803'Liquid crystal device'1994 5,326,600'Liquid crystal device'1994 5,320,883'Liquid crystal device'1994 5,212,575'Functional substrate for controlling pixels'1993 5,101,289'Chiral smectic color display device with interval between color filters: color filter film thickness ratio of 0-5'1992 5,078,475'FLC device with color filter and insulating protection layer with pencil hardness of at least HB'1992 4,917,471'Liquid crystal device'1990 4,818,075'Color liquid crystal device'1989 4,802,743'Liquid crystal device having color filters wherein the color filters formed from a polyamino resin containing coloring materials'1989 4,793,692'Color filter'1988 4,786,148'Color filter having different primary color pigment densities, inter alia'1988 4,777,117'Process for producing color filter using alignment marks'1988 4,712,874'Ferroelectric liquid crystal device having color filters on row or column electrodes'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–2001Patents assigned to CANON KK (47)· patent assignee history

1987–1998Based in Sagamihara, JP· patent location history

1996–2001Based in Machida, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CANON KK	47	1987–2001

Locations

Location	Patents	Span
Sagamihara, JP	37	1987–1998
Machida, JP	10	1996–2001