P

Inventor

ITOH ISAMU

44 patents
⚠️ This page may combine multiple inventors who share the name “ITOH ISAMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FUJI PHOTO FILM CO LTD

37 patents
US5180652AJan 19, 1993

Light- and heat-sensitive composition, and recording material

FUJI PHOTO FILM CO LTD73 citations96
US4845020AJul 4, 1989

Method of processing silver halide photographic material using an organic compound which loses its development restraining function by reaction with an oxidized developer

FUJI PHOTO FILM CO LTD59 citations96
US4359524ANov 16, 1982

Heat developable photosensitive material

FUJI PHOTO FILM CO LTD68 citations96
US4831152AMay 16, 1989

5-halo-6-nitro-2-substituted benzoxazole compounds

FUJI PHOTO FILM CO LTD33 citations92
US4740453AApr 26, 1988

Silver halide photosensitive material containing a compound capable of releasing a photographically useful group

FUJI PHOTO FILM CO LTD23 citations82
US4554243ANov 19, 1985

Silver halide material with photographic agent blocked by nucleophilic attack removable group

FUJI PHOTO FILM CO LTD21 citations82
US4546075AOct 8, 1985

Heat-developable photographic material

FUJI PHOTO FILM CO LTD24 citations82
US4452885AJun 5, 1984

Heat-developable photographic material

FUJI PHOTO FILM CO LTD20 citations82
US4888268ADec 19, 1989

Silver halide photographic materials comprising blocked photographic reagants releasing plug groups

FUJI PHOTO FILM CO LTD18 citations74
US4743595AMay 10, 1988

Process for preparing 2-amino-5-nitrophenol derivatives

FUJI PHOTO FILM CO LTD12 citations74
US4734353AMar 29, 1988

Methods using oximes for processing a silver halide photographic light-sensitive material

FUJI PHOTO FILM CO LTD14 citations74
US4711837ADec 8, 1987

Silver halide color photographic material

FUJI PHOTO FILM CO LTD7 citations74
US4629683ADec 16, 1986

Processing silver halide photographic material with blocked agent and hydroxylamine

FUJI PHOTO FILM CO LTD16 citations74
US4618563AOct 21, 1986

Photographic light-sensitive material

FUJI PHOTO FILM CO LTD7 citations74
US4550070AOct 29, 1985

Direct positive silver halide photographic light-sensitive materials

FUJI PHOTO FILM CO LTD14 citations74
US4522917AJun 11, 1985

Photographic silver halide light-sensitive material

FUJI PHOTO FILM CO LTD14 citations74
US4500636AFeb 19, 1985

Silver halide photographic light-sensitive material

FUJI PHOTO FILM CO LTD9 citations74
US4483919ANov 20, 1984

Silver halide photographic light-sensitive material

FUJI PHOTO FILM CO LTD7 citations74
US4371610AFeb 1, 1983

Process for development-processing silver halide light-sensitive material

FUJI PHOTO FILM CO LTD10 citations74
US4724199AFeb 9, 1988

Silver halide photographic light sensitive materials

FUJI PHOTO FILM CO LTD8 citations73
US4508816AApr 2, 1985

Method for bleaching color photosensitive material

FUJI PHOTO FILM CO LTD15 citations73
US4358526ANov 9, 1982

Photographic light-sensitive sheet for the color diffusion transfer process

FUJI PHOTO FILM CO LTD7 citations73
US4264710AApr 28, 1981

Photopolymerizable compositions containing inhibitor compounds having thioureylene groups

FUJI PHOTO FILM CO LTD7 citations73
US4310622AJan 12, 1982

Photographic development process

FUJI PHOTO FILM CO LTD12 citations72
US4293639AOct 6, 1981

Bleaching compositions for photographic processing

FUJI PHOTO FILM CO LTD11 citations72
US4292401ASep 29, 1981

Bleaching composition for photographic processing

FUJI PHOTO FILM CO LTD15 citations72
US4506007AMar 19, 1985

Method for processing color photographic materials

FUJI PHOTO FILM CO LTD16 citations70
US4500632AFeb 19, 1985

Process for stabilizing silver images

FUJI PHOTO FILM CO LTD7 citations70
US4376162AMar 8, 1983

Heat-developable photosensitive material with antihalation layer

FUJI PHOTO FILM CO LTD13 citations70
US4910128AMar 20, 1990

Silver halide color photographic material

FUJI PHOTO FILM CO LTD2 citations63
US4842985AJun 27, 1989

Silver halide color photographic material

FUJI PHOTO FILM CO LTD6 citations63
US4772537ASep 20, 1988

Silver halide photographic materials containing a photographic reagent precursor

FUJI PHOTO FILM CO LTD6 citations63
US4734357AMar 29, 1988

Silver halide color light sensitive material

FUJI PHOTO FILM CO LTD5 citations63
US4628024ADec 9, 1986

Silver halide color photographic light-sensitive material

FUJI PHOTO FILM CO LTD3 citations63
US4439519AMar 27, 1984

Silver-halide photographic light-sensitive material

FUJI PHOTO FILM CO LTD5 citations63
US4554246ANov 19, 1985

Photographic silver halide light-sensitive material

FUJI PHOTO FILM CO LTD3 citations62
US4250246AFeb 10, 1981

Photographic light-sensitive sheet for the color diffusion transfer process

FUJI PHOTO FILM CO LTD5 citations62

JAPAN NATIONAL RAILWAY

2 patents

IHARA MASATAKA

2 patents

ITOH ISAMU

1 patent

FUJITSU LTD

1 patent

MEIJI SEIKA KAISHA

1 patent