Inventor
TOJI SHIGEO
JP43 patents
⚠️ This page may combine multiple inventors who share the name “TOJI SHIGEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASAHI OPTICAL CO LTD
32 patentsUS5291234AMar 1, 1994
Auto optical focus detecting device and eye direction detecting optical system
ASAHI OPTICAL CO LTD219 citations99
US5093680AMar 3, 1992
Image magnification control device for a camera
ASAHI OPTICAL CO LTD36 citations96
US4890133ADec 26, 1989
Autofocus camera
ASAHI OPTICAL CO LTD59 citations96
US5327191AJul 5, 1994
Eye direction detecting apparatus
ASAHI OPTICAL CO LTD25 citations93
US5066968ANov 19, 1991
Autofocusing system for a camera
ASAHI OPTICAL CO LTD36 citations93
US5065175ANov 12, 1991
Single-lens reflex camera system
ASAHI OPTICAL CO LTD43 citations93
US5036349AJul 30, 1991
Autofocusing system for camera
ASAHI OPTICAL CO LTD26 citations93
US4908644AMar 13, 1990
Optical filtering device and method for using the same
ASAHI OPTICAL CO LTD28 citations93
US5428419AJun 27, 1995
Image magnification control device for a camera
ASAHI OPTICAL CO LTD8 citations82
US5283607AFeb 1, 1994
Automatic lens control system
ASAHI OPTICAL CO LTD15 citations82
US5159377AOct 27, 1992
Image magnification control device for a camera
ASAHI OPTICAL CO LTD18 citations82
US4897683AJan 30, 1990
Focusing lens drive method
ASAHI OPTICAL CO LTD20 citations82
US5842056ANov 24, 1998
Image magnification control device for a camera
ASAHI OPTICAL CO LTD2 citations74
US5781809AJul 14, 1998
Image magnification control device for a camera
ASAHI OPTICAL CO LTD3 citations74
US5583606ADec 10, 1996
Eye direction detecting apparatus
ASAHI OPTICAL CO LTD11 citations74
US5557364ASep 17, 1996
Eye direction detecting apparatus
ASAHI OPTICAL CO LTD14 citations74
US5541702AJul 30, 1996
Image magnification control device for a camera
ASAHI OPTICAL CO LTD4 citations74
US5432584AJul 11, 1995
Lens accommodation device for a camera
ASAHI OPTICAL CO LTD11 citations74
US5192965AMar 9, 1993
Automatic focusing device
ASAHI OPTICAL CO LTD7 citations74
US5128706AJul 7, 1992
Optical filtering device and method for using the same
ASAHI OPTICAL CO LTD9 citations74
US4876603AOct 24, 1989
Signal processing device for automatic-focusing video signal in electronically controlled photographic camera
ASAHI OPTICAL CO LTD10 citations74
US4853732AAug 1, 1989
Automatic focusing camera
ASAHI OPTICAL CO LTD8 citations74
US5708869AJan 13, 1998
Image magnification control device for a camera
ASAHI OPTICAL CO LTD1 citations63
US5678072AOct 14, 1997
Image magnification control device for a camera
ASAHI OPTICAL CO LTD1 citations63
US5305044AApr 19, 1994
Autofocusing system for a camera
ASAHI OPTICAL CO LTD6 citations63
US5157434AOct 20, 1992
Autofocusing system for camera
ASAHI OPTICAL CO LTD6 citations63
US5021817AJun 4, 1991
Automatic focusing camera
ASAHI OPTICAL CO LTD2 citations63
US4949115AAug 14, 1990
Automatic focusing projector
ASAHI OPTICAL CO LTD5 citations62
US5832316ANov 3, 1998
Image magnification control device for a camera
ASAHI OPTICAL CO LTD0 citations52
US5768635AJun 16, 1998
Image magnification control device for a camera
ASAHI OPTICAL CO LTD0 citations52
US5740475AApr 14, 1998
Image magnification control device for a camera
ASAHI OPTICAL CO LTD0 citations52
US5721976AFeb 24, 1998
Image magnification control device for a camera
ASAHI OPTICAL CO LTD0 citations52
FUJI PHOTO FILM CO LTD
6 patentsUS5694168ADec 2, 1997
Auto focus control device and method including selecting a zone for detecting an evaluative value for focusing in accordance with photographing direction
FUJI PHOTO FILM CO LTD25 citations92
US5325146AJun 28, 1994
Auto focus control system for a rear-focus lens apparatus
FUJI PHOTO FILM CO LTD29 citations92
US7099575B2Aug 29, 2006
Manual focus device and autofocus camera
FUJI PHOTO FILM CO LTD12 citations84
US7173660B2Feb 6, 2007
Method for displaying an information image on a screen
FUJI PHOTO FILM CO LTD7 citations74
US5752098AMay 12, 1998
Auto focussing method and device
FUJI PHOTO FILM CO LTD7 citations74
US5260736ANov 9, 1993
Auto focus control device
FUJI PHOTO FILM CO LTD10 citations74
FUJIFILM CORP
4 patentsUS7645080B2Jan 12, 2010
Digital camera, digital camera system, and control program for digital camera system
FUJIFILM CORP15 citations84
US7606476B2Oct 20, 2009
Imaging device and imaging method
FUJIFILM CORP11 citations84
US7231143B2Jun 12, 2007
Manual focus device and autofocus camera
FUJIFILM CORP14 citations84
US8018498B2Sep 13, 2011
Image pickup apparatus and exposure control method
FUJIFILM CORP2 citations61