Inventor

Tsuneo Yamazaki

Inventor

Tokyo, JP

Overview

29→

Patents

1985–2004

Patent span

Electricity

Primary field (CPC H)

Patents· 29 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 therein24%

H10DInorganic electric semiconductor devices21%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1012%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h108%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%

G09GArrangements or circuits for control of indicating devices using static means to present variable information7%

B65HHandling thin or filamentary material, e.g. sheets, webs, cables5%

G11BInformation storage based on relative movement between record carrier and transducer2%

H02KDynamo-electric machines2%

H04NPictorial communication, e.g. television2%

PatentTitleYear

6,803,886'Light valve device'2004 6,464,162'Web processing system'2002 6,357,691'Web processing system'2002 6,304,243'Light valve device'2001 6,262,782'Reflective LCD having polarized light separator and phase plate on a light-incident-side'2001 6,204,836'Display device having defect inspection circuit'2001 6,191,476'Semiconductor device'2001 6,187,605'Method of forming a semiconductor device for a light valve'2001 6,067,062'Light valve device'2000 5,850,203'Method for driving simple matrix-type liquid crystal display'1998 5,728,591'Process for manufacturing light valve device using semiconductive composite substrate'1998 5,646,432'Semiconductor thin film formed on a supporting substrate'1997 5,637,187'Light valve device making'1997 5,633,176'Method of producing a semiconductor device for a light valve'1997 5,618,739'Method of making light valve device using semiconductive composite substrate'1997 5,574,292'Semiconductor device with monosilicon layer'1996 5,572,045'Light valve device using semiconductive composite substrate'1996 5,534,722'Insulator substrate for a light valve device having an electrostatic protection region'1996 5,486,708'Light valve device using semiconductive composite substrate'1996 5,459,335'Semiconductor substrate having a thin film semiconductor layer bonded on a support substrate through an adhesive layer'1995 5,434,433'Semiconductor device for a light wave'1995 5,347,154'Light valve device using semiconductive composite substrate'1994 5,212,573'Input protection circuit of electro-optical device'1993 4,854,518'Hub setting device'1989 4,778,119'Magnetic tape wind-up method and apparatus'1988 4,705,358'Substrate for active matrix display'1987 4,643,530'Reflective, thin film transistor addressed, matrix liquid crystal display'1987 4,609,930'Thin film transistor'1986 4,499,483'Silicon photodiode with n-type control layer'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985Patents assigned to RCA INC (1)· patent assignee history

1986–1987Patents assigned to SEIKO INSTR & ELECTRONICS (3)· patent assignee history

1986–2004Based in Tokyo, JP· patent location history

1988–2002Patents assigned to FUJI PHOTO FILM CO LTD (4)· patent assignee history

1993–2004Patents assigned to SEIKO INSTR INC (19)· patent assignee history

1998Patents assigned to SAMSUNG DISPLAY DEVICES CO LTD (1)· patent assignee history

1998Based in Ulsan, KR· patent location history

2001Based in Koto-ku, JP· patent location history

2001Based in Kyungki-do, KR· patent location history

2002Based in Minami-ashigara, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SEIKO INSTR INC	19	1993–2004
FUJI PHOTO FILM CO LTD	4	1988–2002
SEIKO INSTR & ELECTRONICS	3	1986–1987
RCA INC	1	1985
SAMSUNG DISPLAY DEVICES CO LTD	1	1998

Locations

Location	Patents	Span
Tokyo, JP	21	1986–2004
Minami-ashigara, JP	2	2002
Koto-ku, JP	1	2001
Kyungki-do, KR	1	2001
Ulsan, KR	1	1998