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Akio Okumura

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Publication

Featured researches published by Akio Okumura.

Archive | 1975

Method of forming color photographic images

Akio Okumura; Atsushi Sugizaki; Seiji Ichijima; Keisuke Shiba; Kiyoshi Nakazyo

Archive | 1977

Multi-layered color photographic materials

Takeshi Hirose; Keisuke Shiba; Yukio Yokota; Kozo Inouye; Akio Okumura

Archive | 1976

Photographic phenolic couplers with amido coupling-off groups

Kozo Inouye; Yukio Yokota; Akio Okumura; Keisuke Shiba; Seiiti Kubodera

Archive | 1974

Color photographic light sensitive element and method of forming color photographic images

Atsuaki Arai; Akio Okumura; Seiji Ichijima; Keisuke Shiba; Kiyoshi Nakazyo

Archive | 1966

SILVER HALIDE EMULSIONS CONTAINING MAGENTA-COLORED CYAN COUPLERS

Makoto Yoshida; Akio Okumura; Keisuke Shiba

Archive | 1974

Photographic silver halide emulsion and element and method of forming color photographic images

Akio Okumura; Akira Sato; Seiji Ichijima; Keisuke Shiba; Kiyoshi Nakazyo

Archive | 1975

Photographic couplers with N-heterocyclic development inhibiting coupling-off group

Keisuke Shiba; Takeshi Hirose; Kozo Inouye; Akio Okumura

Archive | 1964

Color photographic silver halide emulsion containing a magenta colored cyan coupler

Akio Okumura; Keisuke Shiba; Makoto Yoshida

Archive | 1974

DIRECT POSITIVE COLOR PHOTOGRAPHIC MATERIALS

Keisuke Shiba; Kazuya Sano; Akio Okumura; Seiiti Kubodera

Archive | 1970

LIGHT-SENSITIVE COLOR PHOTOGRAPHIC ELEMENTS

Makoto Yoshida; Akio Okumura; Shinichi Imai

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Collaboration

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Akira Sato

TDK

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Makoto Yoshida

KEK

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