Inventor · disambiguated record
Tohru Karikawa
Also filed as: KARIKAWA TOHRU
7 granted patents·38 citations·filing 1974–1979
82Inventor score
Technology areasG03B
Files withASAHI OPTICAL CO LTD7
Top patents by PatentIndex Score
7 records- 0181US3956759ACompact single lens reflex cassette cameraASAHI OPTICAL CO LTD·Filed 1974·Granted May 11, 1976·13 cites·6 claims
- 0272US4245901AInterchangeable-lens type TTL automatic exposure cameraASAHI OPTICAL CO LTD·Filed 1978·Granted Jan 20, 1981·9 cites·2 claims
- 0359US4085413AApparatus for retarding camera shutter releaseASAHI OPTICAL CO LTD·Filed 1976·Granted Apr 18, 1978·5 cites·4 claims
- 0454US4192600AFilm feed mechanism for a spaced apart take-up shaft and film take-up spoolASAHI OPTICAL CO LTD·Filed 1978·Granted Mar 11, 1980·4 cites·3 claims
- 0550US4032938AMiniature single lens reflex cameraASAHI OPTICAL CO LTD·Filed 1976·Granted Jun 28, 1977·3 cites·3 claims
- 0647US4221478AFilm feeding mechanism for cameraASAHI OPTICAL CO LTD·Filed 1978·Granted Sep 9, 1980·3 cites·7 claims
- 0732US4258995AMirror operating mechanism in cassette type SLR cameraASAHI OPTICAL CO LTD·Filed 1979·Granted Mar 31, 1981·1 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →