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Inventor

Yasutsugu Nakagawa

Inventor
Hamura, JP

Overview

7→
Patents
1980–1990
Patent span
Physics
Primary field (CPC G)

Patents· 7 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 them100%
PatentTitleYear
4,903,060'Film feeding device of the camera'19904,497,563'Programmed automatic exposure control'19854,458,997'Single lens reflex camera equipped with mirror elevation detector and sequence control'19844,297,019'Automatic film feeding apparatus for photographic camera'19814,274,726'Automatic film winder for camera'19814,218,121'Automatic aperture driving mechanism'19804,204,759'Camera with built-in motor'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1990Patents assigned to KONISHIROKU PHOTO IND (7)· patent assignee history
1980–1990Based in Hamura, JP· patent location history
1981–1985Based in Hachioji, JP· patent location history
1981Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KONISHIROKU PHOTO IND71980–1990
Locations
LocationPatentsSpan
Hamura, JP31980–1990
Hachioji, JP31981–1985
Tokyo, JP11981