P

Inventor

KOJIMA TAMOTSU

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

KONISHIROKU PHOTO IND

14 patents
US4314023AFeb 2, 1982

Photographic silver halide materials containing yellow coupler

KONISHIROKU PHOTO IND22 citations82
US4275148AJun 23, 1981

Light-sensitive silver halide color photographic materials

KONISHIROKU PHOTO IND24 citations82
US3973968AAug 10, 1976

Photographic acyl acetanilide color couplers with 2,5-dioxo-1-imidazolidinyl coupling off groups

KONISHIROKU PHOTO IND30 citations82
US4070191AJan 24, 1978

Silver halide emulsion containing colored magenta coupler for photography

KONISHIROKU PHOTO IND19 citations81
US4189321AFeb 19, 1980

Process for forming magenta dye images

KONISHIROKU PHOTO IND23 citations79
US4289847ASep 15, 1981

Method of forming dye image

KONISHIROKU PHOTO IND19 citations74
US4057432ANov 8, 1977

Acylacetanilide coupler with heterocyclic diacyl amino coupling-off group

KONISHIROKU PHOTO IND11 citations73
US4012258AMar 15, 1977

Process for forming color photographic images

KONISHIROKU PHOTO IND9 citations73
US4356258AOct 26, 1982

Silver halide color photographic material containing yellow coupler

KONISHIROKU PHOTO IND13 citations72
US4009035AFeb 22, 1977

Process for forming cyan dye photographic images

KONISHIROKU PHOTO IND12 citations70
US4960686AOct 2, 1990

Silver halide photographic light-sensitive material containing oxonol dye

KONISHIROKU PHOTO IND5 citations62
US4304845ADec 8, 1981

Silver halide photographic materials containing photographic yellow coupler

KONISHIROKU PHOTO IND4 citations61
US4008086AFeb 15, 1977

Silver halide emulsion containing photographic yellow coupler

KONISHIROKU PHOTO IND5 citations58
US5041667AAug 20, 1991

Process for producing chlorophenylhydrazine compounds

KONISHIROKU PHOTO IND0 citations52

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

6 patents