P

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 patents
US4047187ASep 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 patents
US6083680AJul 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 patents

DAINIPPON INK & CHEMICALS

2 patents

RICOH KK

2 patents

ANZAI MEDICAL KABUSHIKI KAISHA

2 patents

SUMITOMO WIRING SYSTEMS

1 patent

KAO CORP

1 patent

MIKADO CHEMICAL M F G CO

1 patent

TOYOTA CHUO KENKYUSHO KK

1 patent

SHARP KK

1 patent

Showing the top 50 of 158 patents by PatentIndex Score.