Inventor
ITO FUMIO
JP83 patents
⚠️ This page may combine multiple inventors who share the name “ITO FUMIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
41 patentsUS4047187ASep 6, 1977
System for exposure measurement and/or focus detection by means of image senser
CANON KK254 citations99
US4118713AOct 3, 1978
Totally opened F. value information input system of lens for a camera with interchangeable lenses
CANON KK49 citations93
US4103307AJul 25, 1978
Exposure control device
CANON KK41 citations93
US4664496AMay 12, 1987
Camera system
CANON KK14 citations82
US4512656AApr 23, 1985
Camera system
CANON KK15 citations82
US4458996AJul 10, 1984
Photographic operation control circuit for camera
CANON KK19 citations82
US4261658AApr 14, 1981
Camera
CANON KK20 citations82
US4181415AJan 1, 1980
Camera
CANON KK17 citations82
US4149795AApr 17, 1979
Digital information transmitting and displaying system for a photographic camera
CANON KK24 citations82
US4053909AOct 11, 1977
Data registering equipment for a camera
CANON KK28 citations82
US4304472ADec 8, 1981
Camera system
CANON KK28 citations80
US4304482ADec 8, 1981
Photographing information setting device in a camera
CANON KK8 citations74
US4297018AOct 27, 1981
Printed circuit unit for a camera
CANON KK16 citations74
US4201463AMay 6, 1980
Photographic camera device
CANON KK13 citations74
US4176929ADec 4, 1979
Exposure control device for a camera
CANON KK10 citations74
US4175842ANov 27, 1979
Exposure control system for a camera
CANON KK8 citations74
US4167332ASep 11, 1979
Indication and photometric unit
CANON KK7 citations74
US4165929AAug 28, 1979
Camera with exposure control device
CANON KK9 citations74
US4163935AAug 7, 1979
Apparatus for checking a battery voltage
CANON KK8 citations74
US4156564AMay 29, 1979
Photometric device
CANON KK14 citations74
US4146317AMar 27, 1979
Dual priority camera
CANON KK7 citations74
US4134654AJan 16, 1979
Printed circuit unit for a camera
CANON KK10 citations74
US4106033AAug 8, 1978
System for indicating photographing conditions
CANON KK11 citations74
US4103308AJul 25, 1978
Digital information input method
CANON KK7 citations74
US4081813AMar 28, 1978
Photographic information setting apparatus for camera
CANON KK12 citations74
US4079386AMar 14, 1978
Camera with digital control device
CANON KK12 citations74
US4079387AMar 14, 1978
Counter circuit for a camera
CANON KK11 citations74
US4057809ANov 8, 1977
Exposure control circuit
CANON KK14 citations74
US4037233AJul 19, 1977
Exposure control device for a camera
CANON KK9 citations74
US4034383AJul 5, 1977
Exposure control device
CANON KK12 citations74
US4029421AJun 14, 1977
Digital exposure meter
CANON KK7 citations74
US4184759AJan 22, 1980
Photographic apparatus
CANON KK8 citations73
US4166683ASep 4, 1979
Foldable photographic apparatus
CANON KK15 citations73
US4125848ANov 14, 1978
Exposure control device for a single lens reflex camera
CANON KK9 citations73
US4074292AFeb 14, 1978
System for indicating photographic information
CANON KK9 citations73
US4045807AAug 30, 1977
Automatic exposure control apparatus which prevents simultaneous diaphragm and shutter speed preselection
CANON KK16 citations73
US4364647ADec 21, 1982
Control device for a camera
CANON KK5 citations63
US4288154ASep 8, 1981
Digital information indicating system
CANON KK3 citations63
US4278336AJul 14, 1981
Operation detecting device for camera
CANON KK2 citations63
US4208110AJun 17, 1980
Camera with selectable automatic and manual exposure control
CANON KK5 citations63
US4191458AMar 4, 1980
Photographic information setting display circuit
CANON KK5 citations63
YAMAHA MOTOR CO LTD
2 patentsHITACHI LTD
2 patentsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD
1 patentNCR CO
1 patentTAKEDA CHEMICAL INDUSTRIES LTD
1 patentJUKI KK
1 patentSNOW BRAND MILK PRODUCTS CO LTD
1 patentShowing the top 50 of 83 patents by PatentIndex Score.