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Koichi Koyama
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Minami-ashigara, JP
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last 30 patents
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Patent Grant
Functional organic thin film and process for producing the same
Patent number
5,154,808
Issue date
Oct 13, 1992
Fuji Photo Film Co., Ltd.
Tsutomu Miyasaka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Functional organic thin film and method of manufacture thereof
Patent number
4,987,032
Issue date
Jan 22, 1991
Fuji Photo Film Co., Ltd.
Tsutomu Miyasaka
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Heat developable color light-sensitive material with dye developers
Patent number
4,957,848
Issue date
Sep 18, 1990
Fuji Photo Film Co., Ltd.
Osamu Takahashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Light-sensitive material with compounds reactive with dye developers
Patent number
4,766,056
Issue date
Aug 23, 1988
Fuji Photo Film Co., Ltd.
Osamu Takahashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Heat-developable color photographic material
Patent number
H98
Issue date
Aug 5, 1986
Fuji Photo Film Co., Ltd.
Yoshiharu Yabuki
430 - Radiation imagery chemistry: process, composition, or product thereof
Information
Patent Grant
Benzoxazole derivative intermediates for synthesis of dye releasing...
Patent number
4,594,426
Issue date
Jun 10, 1986
Fuji Photo Film Co., Ltd.
Shinsaku Fujita
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Heat development with reducible dye releaser
Patent number
4,559,290
Issue date
Dec 17, 1985
Fuji Photo Film Co., Ltd.
Satoru Sawada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photographic light-sensitive material with nucleophilic displacemen...
Patent number
4,551,423
Issue date
Nov 5, 1985
Fuji Photo Film Co., Ltd.
Koichi Koyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photographic element
Patent number
4,358,532
Issue date
Nov 9, 1982
Fuji Photo Film Co., Ltd.
Koichi Koyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Color photographic light-sensitive material
Patent number
4,336,322
Issue date
Jun 22, 1982
Fuji Photo Film Co., Ltd.
Shinsaku Fujita
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
o-Aminophenol compounds
Patent number
4,310,693
Issue date
Jan 12, 1982
Fuji Photo Film Co., Ltd.
Shinsaku Fujita
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Color image forming dye bleach process
Patent number
4,304,847
Issue date
Dec 8, 1981
Fuji Photo Film Co., Ltd.
Koichi Nakamura
C07 - ORGANIC CHEMISTRY