Inventor

Eiji Kamohara

Inventor

Fukaya, JP

Overview

1982–1999

Patent span

Electricity

Primary field (CPC H)

Patents· 48 as inventor

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

H01Jprimary

H01JElectric discharge tubes or discharge lamps84%

H04NPictorial communication, e.g. television7%

B82YSpecific uses or applications of nanostructures4%

Y10TTechnical subjects covered by former us classification4%

H01CResistors2%

PatentTitleYear

6,002,203'Cathode ray tube having an envelope shaped to reduce beam deflection power requirements'1999 5,952,767'Index-type color cathode ray tube'1999 5,929,559'Cathode ray tube'1999 5,831,372'Cathode ray tube with supporting members each having a first and second support portion for improved bearing of atmospheric pressure between the faceplate and the rearplate'1998 5,831,373'Cathode ray tube with plural electron gun assemblies'1998 5,763,995'Cathode ray tube'1998 5,694,004'Color cathode ray tube apparatus'1997 5,694,003'Plural gun color CRT with inclined index phosphor layers'1997 5,663,609'Electron gun assembly having a quadruple lens for a color cathode ray tube'1997 5,634,837'Cathode-ray tube and method of manufacturing the same'1997 5,584,738'Cathode ray tube apparatus and method of manufacturing the same'1996 5,517,078'Color cathode ray tube apparatus'1996 5,506,467'Cathode-ray tube and method of manufacturing the same'1996 5,498,921'Cathode ray tube apparatus and method of manufacturing the same'1996 5,495,139'Color cathode ray tube apparatus'1996 5,491,382'Color picture tube apparatus'1996 5,486,735'Electron gun with improved withstand voltage for color-picture tube'1996 5,449,983'Color cathode ray tube apparatus'1995 5,384,512'Electron gun for cathode-ray tube'1995 5,365,143'Color cathode ray tube having a plurality of masks'1994 5,365,142'Cathode-ray tube wherein plural regions of phosphor screen are scanned independently of one another'1994 5,287,034'Flat display device for displaying an image utilizing an electron beam, which is provided with a support arrangement for supporting a single faceplate'1994 5,262,702'Color cathode-ray tube apparatus'1993 5,162,695'Electron gun assembly for a color cathode ray tube'1992 5,113,112'Color cathode ray tube apparatus'1992 5,091,673'Color cathode ray tube apparatus'1992 5,077,497'Cathode ray tube'1991 5,059,858'Color cathode ray tube apparatus'1991 4,977,447'Color cathode ray tube'1990 4,870,321'Color cathode ray tube'1989 4,792,720'Color cathode ray tube'1988 4,786,842'Resistor assembly'1988 4,777,407'Color cathode ray tube device'1988 4,760,370'Resistor and an electron tube incorporating the same'1988 4,714,856'Color cathode ray tube with plural electron gun assemblies'1987 4,712,038'Color cathode ray tube with plural electron gun assemblies'1987 4,712,043'Electron gun with large aperture auxiliary electrode'1987 4,686,420'Electron gun'1987 4,672,269'Built-in resistor for a cathode ray tube'1987 4,626,737'Mask focusing color picture tube'1986 4,562,377'Insulated shadow mask assembly for a picture tube'1985 4,540,374'Method for making CRT shadow masks'1985 4,503,355'Mask-focusing color picture tube'1985 4,482,334'Method for making CRT shadow masks'1984 4,478,589'Method of shadow mask manufacture'1984 4,399,388'Picture tube with an electron gun having non-circular aperture'1983 4,392,914'Method for manufacturing mask for color CRT'1983 4,366,415'Picture tube with an electron gun having an improved potential supplying means'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1986Patents assigned to TOKYO SHIBAURA ELECTRIC CO (9)· patent assignee history

1982–1998Based in Fukaya, JP· patent location history

1987–1999Patents assigned to TOSHIBA KK (38)· patent assignee history

1987–1994Based in Saitama, JP· patent location history

1992Patents assigned to TOSHBA KK (1)· patent assignee history

1998–1999Based in Horseheads, NY, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOSHIBA KK	38	1987–1999
TOKYO SHIBAURA ELECTRIC CO	9	1982–1986
TOSHBA KK	1	1992

Locations

Location	Patents	Span
Fukaya, JP	41	1982–1998
Horseheads, New York, US	5	1998–1999
Saitama, JP	2	1987–1994