Inventor

Tatsuo Shimazaki

Inventor

Tokyo, JP

Overview

13→

Patents

1987–1993

Patent span

Physics

Primary field (CPC G)

Patents· 13 as inventor

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

G03Bprimary

G03BApparatus or arrangements for taking photographs or for projecting or viewing them29%

H04NPictorial communication, e.g. television29%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein16%

G02BOptical elements, systems or apparatus10%

G06FElectric digital data processing3%

H01HElectric switches3%

H05KPrinted circuits3%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h103%

Y10TTechnical subjects covered by former us classification3%

PatentTitleYear

5,185,712'Viewfinder and image display/pickup apparatus using liquid crystal'1993 5,097,323'Liquid crystal projector'1992 5,048,949'Liquid crystal projector'1991 5,042,912'X-shaped optical device with transparent rectangular-solid member for color display'1991 4,941,732'Transmission type projection screen'1990 4,925,295'Projection display apparatus'1990 4,875,064'Projector apparatus with mirror means'1989 4,824,210'Liquid crystal projector'1989 4,787,737'Projection display apparatus'1988 4,770,525'Liquid crystal projector'1988 4,722,593'Liquid-crystal projector with light beam reduction lens array for improved brightness of image outer portions'1988 4,680,724'Sheet-like miniaturized electronic device'1987 4,668,314'Method of manufacturing a small electronic device'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1993Patents assigned to CASIO COMPUTER CO LTD (13)· patent assignee history

1987–1993Based in Tokyo, JP· patent location history

1989Based in Higashimurayama, JP· patent location history

1990Based in Nakano-ku, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CASIO COMPUTER CO LTD	13	1987–1993

Locations

Location	Patents	Span
Tokyo, JP	11	1987–1993
Nakano-ku, JP	1	1990
Higashimurayama, JP	1	1989