P

Inventor

OHI REIICHI

18 patents

Patents

18 patents
US5017466AMay 21, 1991

Color-forming aminopyrimidine couplers and silver halide color photographic light-sensitive materials containing the coupler

FUJI PHOTO FILM CO LTD38 citations92
US3954478AMay 4, 1976

Silver halide emulsion containing an alkenyl benzothiazolium salt as stabilizer

FUJI PHOTO FILM CO LTD19 citations81
US4021248AMay 3, 1977

Color photographic light-sensitive material

FUJI PHOTO FILM CO LTD13 citations74
US3945832AMar 23, 1976

Fogged, direct-positive silver halide emulsion containing desensitizers and a dimethine optical sensitizing dye

FUJI PHOTO FILM CO LTD8 citations74
US3930863AJan 6, 1976

Color photographic sensitive material

FUJI PHOTO FILM CO LTD15 citations74
US4009038AFeb 22, 1977

Silver halide color photographic materials

FUJI PHOTO FILM CO LTD12 citations72
US3960570AJun 1, 1976

Color photographic silver halide light-sensitive materials

FUJI PHOTO FILM CO LTD12 citations71
US3957491AMay 18, 1976

Silver halide photographic material containing an organic compound having a covalent nitrogen-halogen bond as sensitizer

FUJI PHOTO FILM CO LTD10 citations70
US4054458AOct 18, 1977

Gelatino silver halide photosensitive material

FUJI PHOTO FILM CO LTD13 citations69
US3933505AJan 20, 1976

Fogged, direct positive silver halide emulsion containing a nitro-substituted fluorene desensitizer

FUJI PHOTO FILM CO LTD9 citations68
US4105452AAug 8, 1978

Multi-layered color photographic light-sensitive material

FUJI PHOTO FILM CO LTD4 citations63
US4002480AJan 11, 1977

Photographic silver halide emulsion

FUJI PHOTO FILM CO LTD5 citations63
US4054580AOct 18, 1977

Process for producing 2,2,4-trimethyl-6-hydroxy-7-substituted chromans

FUJI PHOTO FILM CO LTD6 citations62
US3953531AApr 27, 1976

Alkylhydroquinone and process for producing the same

FUJI PHOTO FILM CO LTD4 citations62
US3982044ASep 21, 1976

Silver halide photographic emulsions used for electron beam recording

FUJI PHOTO FILM CO LTD2 citations59
US3960568AJun 1, 1976

Photographic material containing fine silver halide particles and hydroxylamino substituted triazine or pyrimidine sensitizers

FUJI PHOTO FILM CO LTD6 citations57
US3975395AAug 17, 1976

Aryl-tetrazol-5-ylthio- and thioether-substituted hydroquinone compounds

FUJI PHOTO FILM CO LTD1 citations52
US3994733ANov 30, 1976

Silver halide photographic emulsion

FUJI PHOTO FILM CO LTD1 citations51