Inventor
ITO TADASHI
158 patents
⚠️ This page may combine multiple inventors who share the name “ITO TADASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
18 patentsUS4047187ASep 6, 1977
System for exposure measurement and/or focus detection by means of image senser
CANON KK254 citations99
US4341953AJul 27, 1982
Focus detecting system
CANON KK58 citations96
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
US4015198AMar 29, 1977
Shutter-time-preference single lens reflex camera with automatic film wind-up
CANON KK32 citations93
US4104649AAug 1, 1978
Adaptor for providing a digital signal indicating the full open F number of an interchangeable photo-taking lens in a single lens reflex camera system
CANON KK42 citations92
US4664496AMay 12, 1987
Camera system
CANON KK14 citations82
US4512656AApr 23, 1985
Camera system
CANON KK15 citations82
US4431287AFeb 14, 1984
Camera
CANON KK21 citations82
US4249816AFeb 10, 1981
Photographic camera with a release locking device
CANON KK18 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
US4443086AApr 17, 1984
Focus adjusting device
CANON KK11 citations74
US4358188ANov 9, 1982
Camera having program shutter
CANON KK13 citations74
US4329034AMay 11, 1982
Camera with program system
CANON KK8 citations74
US4327982AMay 4, 1982
Device for suppressing mirror bounce in single lens reflex camera
CANON KK8 citations74
US4304482ADec 8, 1981
Photographing information setting device in a camera
CANON KK8 citations74
FUJI PHOTO FILM CO LTD
17 patentsUS6083680AJul 4, 2000
Photothermographic material
FUJI PHOTO FILM CO LTD34 citations92
US5098818AMar 24, 1992
Silver halide photographic material and method for processing thereof
FUJI PHOTO FILM CO LTD26 citations92
US6150084ANov 21, 2000
Photothermographic element
FUJI PHOTO FILM CO LTD17 citations84
US6423464B1Jul 23, 2002
Laser ablative recording material
FUJI PHOTO FILM CO LTD14 citations77
US6582896B1Jun 24, 2003
Photothermographic material
FUJI PHOTO FILM CO LTD8 citations74
US6458505B2Oct 1, 2002
Photothermographic material
FUJI PHOTO FILM CO LTD9 citations74
US6329127B1Dec 11, 2001
Heat-developable photosensitive material and method for forming image using the same
FUJI PHOTO FILM CO LTD10 citations74
US6210869B1Apr 3, 2001
Image forming method using heat-developable photosensitive material
FUJI PHOTO FILM CO LTD12 citations74
US5985508ANov 16, 1999
Silver halide photographic material
FUJI PHOTO FILM CO LTD15 citations74
US5853951ADec 29, 1998
Silver halide photographic material
FUJI PHOTO FILM CO LTD10 citations74
US5652088AJul 29, 1997
Silver halide photographic material
FUJI PHOTO FILM CO LTD7 citations74
US5582959ADec 10, 1996
Method for forming an image
FUJI PHOTO FILM CO LTD14 citations74
US5464730ANov 7, 1995
Low replenishment rate process of development of black-and-white silver halide photographic material using a developer having a low bromide ion concentration and a specified pH range
FUJI PHOTO FILM CO LTD7 citations74
US5420001AMay 30, 1995
Silver halide photographic material for medical care and an image forming method therefor
FUJI PHOTO FILM CO LTD7 citations74
US5190855AMar 2, 1993
Silver halide photographic material and method for processing the same
FUJI PHOTO FILM CO LTD16 citations74
US5028520AJul 2, 1991
Silver halide photographic material for X-ray use
FUJI PHOTO FILM CO LTD16 citations74
US4933268AJun 12, 1990
Silver halide photographic material having at least one dyed hydrophilic colloid layer
FUJI PHOTO FILM CO LTD9 citations74
FUJIFILM CORP
4 patentsUS7504139B2Mar 17, 2009
Optical cellulose acylate film, polarizing plate and liquid crystal display
FUJIFILM CORP25 citations92
US7671947B2Mar 2, 2010
Optical film, optical compensation film, polarizing plate, liquid crystal display unit and self luminous display unit
FUJIFILM CORP8 citations84
US7473446B2Jan 6, 2009
Retarder and circular polarizer
FUJIFILM CORP18 citations84
US7379131B2May 27, 2008
Liquid crystal display device
FUJIFILM CORP12 citations84
DAINIPPON INK & CHEMICALS
2 patentsRICOH KK
2 patentsANZAI MEDICAL KABUSHIKI KAISHA
2 patentsSUMITOMO WIRING SYSTEMS
1 patentKAO CORP
1 patentMIKADO CHEMICAL M F G CO
1 patentTOYOTA CHUO KENKYUSHO KK
1 patentSHARP KK
1 patentShowing the top 50 of 158 patents by PatentIndex Score.