Inventor
SAITO TOSHIHISA
JP15 patents
⚠️ This page may combine multiple inventors who share the name “SAITO TOSHIHISA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
COPAL CO LTD
14 patentsUS4302091ANov 24, 1981
Bound preventing device for focal plane shutters
COPAL CO LTD8 citations73
US4231650ANov 4, 1980
Blade type focal plane shutter
COPAL CO LTD9 citations73
US4192595AMar 11, 1980
Electroflash controlling circuit including a delay circuit for electrically controlled focal plane shutters
COPAL CO LTD8 citations72
US5508773AApr 16, 1996
Focal plane shutter for use in a photographic camera
COPAL CO LTD6 citations62
US4994834AFeb 19, 1991
Focal plane shutter for cameras
COPAL CO LTD6 citations62
US4225221ASep 30, 1980
Cocking mechanism for electric shutters
COPAL CO LTD4 citations62
US4162840AJul 31, 1979
Focal plane shutter
COPAL CO LTD3 citations62
US4739355AApr 19, 1988
Focal plane shutter
COPAL CO LTD3 citations61
US4210393AJul 1, 1980
Device for automatically controlling diaphragm aperture
COPAL CO LTD5 citations61
US4200375AApr 29, 1980
Exposure controlling circuit for electric shutter
COPAL CO LTD3 citations61
US4193673AMar 18, 1980
Digital shutter control circuit
COPAL CO LTD2 citations61
US4346974AAug 31, 1982
Light leakage preventing device for reflex cameras
COPAL CO LTD1 citations51
US4161764AJul 17, 1979
Exposure controlling circuit for electric shutters
COPAL CO LTD1 citations51
US4051501ASep 27, 1977
Built-in self-timer for cameras
COPAL CO LTD1 citations51