Inventor
AIZAWA HIROSHI
83 patents
⚠️ This page may combine multiple inventors who share the name “AIZAWA HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
46 patentsUS7030925B1Apr 18, 2006
Camera system having converting means, recording means, reproduction means, plate-shaped display and protection means
CANON KK156 citations99
US4366501ADec 28, 1982
Image recording system
CANON KK86 citations96
US4286849ASep 1, 1981
Digital camera
CANON KK89 citations96
US4053240AOct 11, 1977
Object distance measuring system for an optical instrument
CANON KK37 citations93
US4015198AMar 29, 1977
Shutter-time-preference single lens reflex camera with automatic film wind-up
CANON KK32 citations93
US3937950AFeb 10, 1976
Focus defecting system
CANON KK35 citations93
US4658304AApr 14, 1987
Image recording system
CANON KK37 citations92
US4099192AJul 4, 1978
Photographic camera with an electromagnetic control system
CANON KK55 citations92
US4227788AOct 14, 1980
Printed circuit assembly
CANON KK24 citations82
US4223987ASep 23, 1980
Camera having a sound-making element
CANON KK25 citations82
US4047194ASep 6, 1977
Camera system with means for automatically switching to flash operation
CANON KK25 citations82
US4359277ANov 16, 1982
Camera with printed circuit boards comprising resistance-conductor laminated constructions
CANON KK27 citations81
US4146322AMar 27, 1979
Variable resistance
CANON KK29 citations81
US5923367AJul 13, 1999
Integral image recording and image playback system
CANON KK11 citations74
US5191435AMar 2, 1993
Image pickup device
CANON KK16 citations74
US4459008AJul 10, 1984
Camera having a sound-making element
CANON KK5 citations74
US4387977AJun 14, 1983
Power supply device for camera
CANON KK16 citations74
US4247189AJan 27, 1981
Camera with built-in electric wind-up mechanism
CANON KK11 citations74
US4240055ADec 16, 1980
Release type electromagnetic device for camera
CANON KK8 citations74
US4235538ANov 25, 1980
Digital control camera
CANON KK5 citations74
US4200374AApr 29, 1980
Cameras having a coordinated energy supply system for shutter release
CANON KK7 citations74
US4182562AJan 8, 1980
Automatic winding up device for a camera
CANON KK8 citations74
US4182557AJan 8, 1980
Single lens reflex camera capable of high speed continuous photography
CANON KK9 citations74
US4179206ADec 18, 1979
Single lens reflex camera with electromechanically initiated diaphragm and shutter control
CANON KK7 citations74
US4176936ADec 4, 1979
Motor drive unit for a camera
CANON KK12 citations74
US4114173ASep 12, 1978
Photographic camera with an operation mode display device
CANON KK13 citations74
US4062028ADec 6, 1977
Single reflex camera
CANON KK9 citations74
US4031383AJun 21, 1977
Method for detecting visibility of image of an object and a device therefor
CANON KK17 citations74
US4015149AMar 29, 1977
Temperature compensating device for devices having semiconductors
CANON KK17 citations74
US3994003ANov 23, 1976
Motor-driven operating apparatus for a photographic camera
CANON KK15 citations74
US3981022ASep 14, 1976
Camera having an electric driving device
CANON KK13 citations74
US3953729AApr 27, 1976
Automatic focus adjustment of a camera
CANON KK12 citations74
US4100459AJul 11, 1978
Indicator circuit for electronic flash apparatus
CANON KK9 citations73
US4006489AFeb 1, 1977
Film rewinder mountable on camera
CANON KK10 citations73
US4247186AJan 27, 1981
Photometric circuit for camera
CANON KK11 citations72
US4067032AJan 3, 1978
Structure of camera body
CANON KK16 citations72
US4364654ADec 21, 1982
Electromagnetic release shutter
CANON KK15 citations71
US4083059AApr 4, 1978
Automatic exposure control system for flash photography
CANON KK11 citations71
US4062024ADec 6, 1977
Control system consisting of semi-conductor integrated circuits for a camera
CANON KK10 citations71
US4322146AMar 30, 1982
Camera having a sound-making element
CANON KK6 citations70
US4928184AMay 22, 1990
Image recording system
CANON KK3 citations63
US4823200AApr 18, 1989
Camera for flash photography having an image recording system
CANON KK4 citations63
US4371243AFeb 1, 1983
Photographic mode selector system
CANON KK3 citations63
US4370037AJan 25, 1983
Digital control camera
CANON KK4 citations63
US4363540ADec 14, 1982
Exposure information storage device for a photographic camera
CANON KK5 citations63
US4282503AAug 4, 1981
Electromagnetic device
CANON KK2 citations63
MITSUBISHI ELECTRIC CORP
2 patentsRICOH KK
1 patentTOYOTA MOTOR CO LTD
1 patentShowing the top 50 of 83 patents by PatentIndex Score.