Inventor
TAKAZAWA YUZURU
17 patents
Patents
17 patentsUS4104859AAug 8, 1978
Reversal preventing device of electric clock
SEIKO KOKI KK15 citations74
US4084403AApr 18, 1978
Driving mechanism for a timepiece
SEIKO KOKI KK7 citations74
US4359634ANov 16, 1982
Automatic focusing device
SEIKO KOKI KK8 citations73
US4305649ADec 15, 1981
Inhibit circuit for an electronic flash charge circuit
SEIKO KOKI KK7 citations73
US4231647ANov 4, 1980
Automatic focusing camera
SEIKO KOKI KK9 citations73
US4015142AMar 29, 1977
Electric timing circuitry with means to compensate for switch chatter
SEIKO KOKI KK9 citations73
US4349258ASep 14, 1982
Manual focal point adjusting and change-over device for use in automatic focal point adjuster camera
SEIKO KOKI KK5 citations63
US4053908AOct 11, 1977
Exposure multiple setting device for programming electric shutter
SEIKO KOKI KK2 citations63
US4037400AJul 26, 1977
Drive device for electric clock
SEIKO KOKI KK5 citations63
US4364648ADec 21, 1982
Safety device of auto-focusing point adjusting camera
SEIKO KOKI KK5 citations62
US4353631AOct 12, 1982
Exposure information input circuit for electric shutter
SEIKO KOKI KK2 citations62
US4307949ADec 29, 1981
Shutter control system having information circuit for introducing informations for flash photographing
SEIKO KOKI KK4 citations62
US4275955AJun 30, 1981
Shutter release interrupting system
SEIKO KOKI KK2 citations62
US4267440AMay 12, 1981
Focus detecting system
SEIKO KOKI KK2 citations62
US3987464AOct 19, 1976
Electronic shutter control circuit having exposure time indicator
SEIKO KOKI KK3 citations62
US4316085AFeb 16, 1982
Automatic focusing adjustor device
SEIKO KOKI KK0 citations52
US4270851AJun 2, 1981
Automatic film sensitivity setting system for camera
SEIKO KOKI KK1 citations51