Inventor

Toshifumi Ohsawa

Inventor

Tokyo, JP

Overview

26→

Patents

1987–2003

Patent span

Physics

Primary field (CPC G)

Patents· 26 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 them51%

G02BOptical elements, systems or apparatus14%

H04NPictorial communication, e.g. television8%

G01CMeasuring distances, levels or bearings5%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein5%

G09GArrangements or circuits for control of indicating devices using static means to present variable information5%

G06FElectric digital data processing3%

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light3%

H03GControl of amplification3%

H04BTransmission3%

PatentTitleYear

6,654,126'Optical gyro with specific clock/calculation circuit'2003 6,477,332'Electronic image display apparatus and camera having electronic image display function'2002 6,470,151'Camera, image correcting apparatus, image correcting system, image correcting method, and computer program product providing the image correcting method'2002 6,465,771'Angular velocity detector and apparatus having angular velocity detector'2002 6,424,805'Exposure control device for use in camera'2002 6,411,270'Display apparatus capable of selecting display picture or screen sizes for displaying static picture of images written in a spatial light modulator'2002 6,309,075'Image display apparatus'2001 6,295,415'Camera'2001 6,222,509'Image display apparatus'2001 6,118,943'Camera'2000 6,026,248'Camera or apparatus adapted to film cartridge'2000 5,815,745'Camera'1998 5,666,570'Camera'1997 5,572,279'Camera incorporating an auto-zoom function'1996 5,557,365'Camera attached with auxiliary device'1996 5,485,239'Camera incorporating an auto-zoom function'1996 5,291,236'Camera'1994 5,289,216'Camera with film information setting device'1994 5,278,606'Camera'1994 5,107,290'Camera'1992 4,974,013'Camera having an exposure compensation information setting operation member'1990 4,974,012'Display device for automatic exposure bracketing shooting'1990 4,897,807'Switch data input device'1990 4,820,023'Voltage adjusting apparatus'1989 4,731,529'Light measuring circuit having circuitry for bypassing a low frequency component in the output of a photoelectric conversion element'1988 4,687,307'Information read-in device for camera'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

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

1987–1990Based in Kanagawa, JP· patent location history

1989Based in Kawasaki, JP· patent location history

1990–2003Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CANON KK	26	1987–2003

Locations

Location	Patents	Span
Tokyo, JP	22	1990–2003
Kanagawa, JP	3	1987–1990
Kawasaki, JP	1	1989