Inventor
TSUNEKAWA TOKUICHI
JP125 patents
Patents
50 patentsUS7030925B1Apr 18, 2006
Camera system having converting means, recording means, reproduction means, plate-shaped display and protection means
CANON KK156 citations99
US5036347AJul 30, 1991
Visual line detecting device and camera having the same
CANON KK123 citations98
US5486892AJan 23, 1996
Camera with visual axis detecting device
CANON KK49 citations96
US5253008AOct 12, 1993
Camera
CANON KK72 citations96
US4575211AMar 11, 1986
Distance measuring device
CANON KK138 citations96
US4366501ADec 28, 1982
Image recording system
CANON KK86 citations96
US4293877AOct 6, 1981
Photo-sensor device and image scanning system employing the same
CANON KK79 citations96
US4280151AJul 21, 1981
High speed image recording system
CANON KK75 citations95
US6091899AJul 18, 2000
Apparatus for detecting the direction of visual axis and information selecting apparatus utilizing the same
CANON KK40 citations93
US6022117AFeb 8, 2000
Illuminating device for projecting light
CANON KK28 citations93
US6014524AJan 11, 2000
Camera with visual axis detecting device
CANON KK24 citations93
US5225862AJul 6, 1993
Visual axis detector using plural reflected image of a light source
CANON KK52 citations93
US4974068ANov 27, 1990
Apparatus for reading a film image with a photoelectric converting element and for adjusting the gain of said element
CANON KK29 citations93
US4933983AJun 12, 1990
Image data reading apparatus
CANON KK34 citations93
US4639924AJan 27, 1987
Drive system for a semiconductor laser
CANON KK31 citations93
US4484223ANov 20, 1984
Image sensor
CANON KK43 citations93
US4470676ASep 11, 1984
Focus detecting device
CANON KK39 citations93
US4460836AJul 17, 1984
Device using signal integration and storing type image sensing means
CANON KK38 citations93
US4333716AJun 8, 1982
Focus detection system
CANON KK36 citations93
US5128705AJul 7, 1992
Focus adjusting control device
CANON KK24 citations92
US4658304AApr 14, 1987
Image recording system
CANON KK37 citations92
US4469417ASep 4, 1984
Range finding device
CANON KK38 citations92
US4335405AJun 15, 1982
MOS-Image sensor
CANON KK42 citations92
US4329033AMay 11, 1982
Distance detecting device and a focus control system utilizing the same
CANON KK37 citations92
US4305657ADec 15, 1981
Range finding device
CANON KK32 citations92
US4264161AApr 28, 1981
Motion detecting device in exposure control system for optical instruments
CANON KK34 citations92
US4257705AMar 24, 1981
Device for focus detection or distance detection
CANON KK54 citations92
US4139278AFeb 13, 1979
Liquid crystal display device
CANON KK41 citations92
US4678323AJul 7, 1987
Distance measuring devices and light integrators therefor
CANON KK19 citations82
US4612454ASep 16, 1986
Method for controlling signal integration time of a signal integration type image sensing device
CANON KK20 citations82
US4560864ADec 24, 1985
Focus detecting device
CANON KK21 citations82
US4534639AAug 13, 1985
Camera having an exposure mode change-over device
CANON KK25 citations82
US4410261AOct 18, 1983
Range finding device
CANON KK27 citations82
US4346970AAug 31, 1982
Focus detecting device
CANON KK20 citations82
US4320948AMar 23, 1982
Motion detecting device in exposure control system for optical instrument
CANON KK22 citations82
US4301478ANov 17, 1981
TV Camera with focus detecting means
CANON KK26 citations82
US4283137AAug 11, 1981
Image scanning system
CANON KK16 citations82
US4261658AApr 14, 1981
Camera
CANON KK20 citations82
US4181415AJan 1, 1980
Camera
CANON KK17 citations82
US4140378AFeb 20, 1979
View finder device having liquid crystal cell
CANON KK23 citations82
US4135815AJan 23, 1979
Range finding device
CANON KK22 citations82
US4086582AApr 25, 1978
Exposure control device for a camera
CANON KK23 citations82
US4047194ASep 6, 1977
Camera system with means for automatically switching to flash operation
CANON KK25 citations82
US4012665AMar 15, 1977
Electronic flash device with capacitor discharge cut-off before full discharge
CANON KK20 citations82
US5923367AJul 13, 1999
Integral image recording and image playback system
CANON KK11 citations74
US5708862AJan 13, 1998
Gazing point detecting device and camera provided with the same
CANON KK14 citations74
US5191435AMar 2, 1993
Image pickup device
CANON KK16 citations74
US5138359AAug 11, 1992
Focus detecting apparatus in which matching with the image performance of an objective lens is achieved
CANON KK11 citations74
US4992883AFeb 12, 1991
Image sensing arrangement
CANON KK9 citations74
US4833544AMay 23, 1989
Image processing apparatus
CANON KK14 citations74
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