Inventor

Hiroshi Kurei

Inventor

Kawagoe, JP

Overview

23→

Patents

1976–1996

Patent span

Physics

Primary field (CPC G)

Patents· 23 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 them96%

G02BOptical elements, systems or apparatus4%

PatentTitleYear

5,488,446'Indicator within finder of single lens reflex camera'1996 5,341,187'Automatic camera with film rewind apparatus and method capable of rewinding film in either a first or second operation mode'1994 5,327,183'Camera having flash'1994 5,307,111'Object distance measuring apparatus of camera'1994 5,305,051'Camera having a variable photographing aperture and control method thereof'1994 4,860,043'Apparatus for kinematic linkage in interchangeable lens type of camera'1989 4,396,272'Aperture control mechanism'1983 4,360,257'Resetting apparatus for single lens reflex photographic camera'1982 4,349,261'Electromagnetic release device for single lens reflex camera'1982 4,335,946'Controlled disengaging device in automatic exposure camera of the lens stop value control type'1982 4,313,662'Self-timer device'1982 4,293,209'Mirror operating mechanism in single lens reflex camera'1981 4,264,170'Mirror shock absorbing device in single lens reflex camera'1981 4,253,756'Three operational mode camera'1981 4,201,462'Lens barrel having an aperture information transmission section'1980 4,179,201'Lens stop braking in automatic exposure cameras of stop value control type'1979 4,161,354'Top shutter curtain release mechanism for an automatic aperture value control camera'1979 4,118,725'Shutter speed display for viewfinder of fixed point exposure meter camera'1978 3,964,078'Electro-mechanical arrangement in a single lens reflex camera having a detachable bottom cover plate for providing access to a circuit board of the arrangement'1976 3,956,757'Camera exposure control circuit'1976 3,950,774'Apparatus for holding closed a power switch for an electric shutter'1976 3,936,843'Camera with optionally operable manual controls'1976 3,932,878'Film winding and shutter release error prevention apparatus'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1996Patents assigned to ASAHI OPTICAL CO LTD (22)· patent assignee history

1976–1982Based in Kawagoe, JP· patent location history

1980Based in Kawagod, JP· patent location history

1982Based in Kasagoe, JP· patent location history

1983–1996Based in Tokyo, JP· patent location history

1994Patents assigned to ASAHI KOGAKU KK (1)· patent assignee history

1994Based in Sakado, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ASAHI OPTICAL CO LTD	22	1976–1996
ASAHI KOGAKU KK	1	1994

Locations

Location	Patents	Span
Kawagoe, JP	14	1976–1982
Tokyo, JP	6	1983–1996
Sakado, JP	1	1994
Kasagoe, JP	1	1982
Kawagod, JP	1	1980