Inventor
NUMATA SABURO
41 patents
⚠️ This page may combine multiple inventors who share the name “NUMATA SABURO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJI PHOTO OPTICAL CO LTD
39 patentsUS4096382AJun 20, 1978
Photo-current log-compression circuit
FUJI PHOTO OPTICAL CO LTD27 citations81
US3992622ANov 16, 1976
Logarithmic amplifier with temperature compensation means
FUJI PHOTO OPTICAL CO LTD25 citations81
US3956758AMay 11, 1976
Warning device for photographic cameras
FUJI PHOTO OPTICAL CO LTD22 citations81
US4542971ASep 24, 1985
Automatic focusing apparatus
FUJI PHOTO OPTICAL CO LTD11 citations74
US4389565AJun 21, 1983
Automatic focus controlling device
FUJI PHOTO OPTICAL CO LTD12 citations74
US4285585AAug 25, 1981
Exposure control compensating means for close-up photography
FUJI PHOTO OPTICAL CO LTD8 citations74
US4110768AAug 29, 1978
Automatic film wind up device for a camera
FUJI PHOTO OPTICAL CO LTD8 citations74
US4012749AMar 15, 1977
Strobo flash light device for cameras
FUJI PHOTO OPTICAL CO LTD9 citations74
US4146319AMar 27, 1979
Single lens reflex camera with automatic exposure control circuit
FUJI PHOTO OPTICAL CO LTD7 citations72
US3955892AMay 11, 1976
Device for indicating exposure information in the viewfinder of a camera
FUJI PHOTO OPTICAL CO LTD15 citations72
US4602194AJul 22, 1986
Exciting circuit for electronic flash device
FUJI PHOTO OPTICAL CO LTD3 citations63
US4442381AApr 10, 1984
Auto strobe control circuit
FUJI PHOTO OPTICAL CO LTD4 citations63
US4336481AJun 22, 1982
Method of and apparatus for automatic electronic flash lamp control
FUJI PHOTO OPTICAL CO LTD5 citations63
US4331401AMay 25, 1982
Exposure control system for a photographic camera
FUJI PHOTO OPTICAL CO LTD3 citations63
US4321462AMar 23, 1982
Light measuring device
FUJI PHOTO OPTICAL CO LTD5 citations63
US4295716AOct 20, 1981
Mode change-over device for automatic exposure control camera
FUJI PHOTO OPTICAL CO LTD4 citations63
US4274722AJun 23, 1981
Automatic flash light control device for camera
FUJI PHOTO OPTICAL CO LTD5 citations63
US4241279ADec 23, 1980
Control circuit for an automatic electronic flash light device
FUJI PHOTO OPTICAL CO LTD6 citations63
US4240008ADec 16, 1980
Automatic electronic flash light device
FUJI PHOTO OPTICAL CO LTD4 citations63
US4225218ASep 30, 1980
Exposure time control circuit for camera with flash light device
FUJI PHOTO OPTICAL CO LTD5 citations63
US4048644ASep 13, 1977
Warning device for a camera
FUJI PHOTO OPTICAL CO LTD5 citations63
US4035634AJul 12, 1977
Light receptor device
FUJI PHOTO OPTICAL CO LTD4 citations63
US4342505AAug 3, 1982
Automatic exposure control device for a single lens reflex camera
FUJI PHOTO OPTICAL CO LTD2 citations62
US4232955ANov 11, 1980
Memory locking means of an exposure control circuit for a camera
FUJI PHOTO OPTICAL CO LTD2 citations62
US4079269AMar 14, 1978
Switch means for cameras
FUJI PHOTO OPTICAL CO LTD3 citations62
US4060788ANov 29, 1977
Potentiometer
FUJI PHOTO OPTICAL CO LTD4 citations62
US4037236AJul 19, 1977
Switching circuit for electric shutter
FUJI PHOTO OPTICAL CO LTD6 citations62
US4020363AApr 26, 1977
Integration circuit with a positive feedback resistor
FUJI PHOTO OPTICAL CO LTD5 citations62
US3995293ANov 30, 1976
Printed circuit for photographic cameras
FUJI PHOTO OPTICAL CO LTD5 citations62
US3961341AJun 1, 1976
Automatic shutter speed control means for a camera
FUJI PHOTO OPTICAL CO LTD3 citations62
US4152058AMay 1, 1979
Single lens reflex camera
FUJI PHOTO OPTICAL CO LTD3 citations61
US4143954AMar 13, 1979
Light emitting indicator for a camera
FUJI PHOTO OPTICAL CO LTD5 citations61
US4112446ASep 5, 1978
Exposure control circuit for cameras with shutter release locking means
FUJI PHOTO OPTICAL CO LTD6 citations61
US4107707AAug 15, 1978
Analogue operation adjusting means for photographic camera
FUJI PHOTO OPTICAL CO LTD3 citations61
US4096496AJun 20, 1978
Exposure control circuit for camera
FUJI PHOTO OPTICAL CO LTD4 citations61
US4095243AJun 13, 1978
Warning device for a camera
FUJI PHOTO OPTICAL CO LTD5 citations54
US4329028AMay 11, 1982
Memory locking means for digital exposure control device in cameras
FUJI PHOTO OPTICAL CO LTD1 citations52
US4070682AJan 24, 1978
Exposure time control circuit
FUJI PHOTO OPTICAL CO LTD1 citations51
US4255027AMar 10, 1981
Exposure control device for photographic camera
FUJI PHOTO OPTICAL CO LTD0 citations42