Inventor

Tatsuo Murata

Inventor

Atsugi, JP

Overview

27→

Patents

1987–2021

Patent span

Physics

Primary field (CPC G)

Patents· 27 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 therein60%

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices9%

G02BOptical elements, systems or apparatus6%

G03CPhotosensitive materials for photographic purposes6%

Y10TTechnical subjects covered by former us classification6%

B41JTypewriters3%

C04BLime, magnesia3%

G07CTime or attendance registers3%

G10LSpeech analysis techniques or speech synthesis3%

H04NPictorial communication, e.g. television3%

PatentTitleYear

11,050,980Recording device, recording method, reproduction method, and program2021 6,659,597'Liquid discharge head'2003 5,721,089'Photosensitive material, color filter and liquid crystal device having the color filter'1998 5,721,077'Process for producing a color filter'1998 5,699,138'Process for injecting liquid crystal into a liquid crystal panel'1997 5,650,867'Functional substrate for controlling pixels'1997 5,576,865'Process for producing liquid crystal panel including reducing the pressure to no more than 25 torr/minute'1996 5,568,291'Electrode substrate with light shielding film having upper surface coplanar with upper surface of laminate electrodes'1996 5,568,293'Liquid crystal display having trapezoidal color filters formed from a low-temperature curing polyamino resin having a photosensitive group'1996 5,546,998'Apparatus for vacuum injecting liquid crystal'1996 5,548,424'Liquid crystal device having two resins films formed from solutions of different viscosities'1996 5,500,751'Ferroelectric liquid crystal color filter surrounded by a heat fusible resin'1996 5,479,284'Increasing temperature injection methods for a liquid crystal cell'1995 5,456,795'Method and apparatus for regenerating etching liquid'1995 5,417,257'Method and apparatus for injecting liquid crystal'1995 5,398,126'Ferroelectric color liquid crystal device lacking alignment defects'1995 5,348,828'Process for producing electrode substrate'1994 5,282,070'Liquid crystal device with separate aperature masks and conductor blocking separations'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 4,786,148'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.

1987–2003Patents assigned to CANON KK (26)· patent assignee history

1987–1996Based in Atsugi, JP· patent location history

1988–1989Based in Ohme, JP· patent location history

1993–1997Based in Oume, JP· patent location history

1994–1998Based in Hiratsuka, JP· patent location history

1995–1997Based in Isehara, JP· patent location history

2021Patents assigned to JVC KENWOOD CORP (1)· patent assignee history

2021Patents assigned to JVCKENWOOD CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CANON KK	26	1987–2003
JVC KENWOOD CORP	1	2021
JVCKENWOOD CORP	1	2021

Locations

Location	Patents	Span
Atsugi, JP	10	1987–1996
Isehara, JP	6	1995–1997
Hiratsuka, JP	5	1994–1998
Oume, JP	2	1993–1997
Ohme, JP	2	1988–1989