Tsumoru Ishii

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Patents Grantslast 30 patents

Information Patent Grant
Method of forming a color image from silver halide photosensitive m...
- Patent number 5,200,303
- Issue date Apr 6, 1993
- Fuji Photo Film Co., Ltd.
- Osamu Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Silver halide photographic light-sensitive material and image formi...
- Patent number 4,396,706
- Issue date Aug 2, 1983
- Fuji Photo Film Co., Ltd.
- Tsumoru Ishii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of hardening gelatin and photographic light-sensitive material
- Patent number 4,173,481
- Issue date Nov 6, 1979
- Fuji Photo Film Co., Ltd.
- Hidefumi Sera
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic light-sensitive material hardened with a vinylsulfonyl...
- Patent number 4,137,082
- Issue date Jan 30, 1979
- Fuji Photo Film Co., Ltd.
- Hidefumi Sera
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hardening agent for gelatin and method for hardening gelatin
- Patent number 4,111,926
- Issue date Sep 5, 1978
- Fuji Photo Film Co., Ltd.
- Hidefumi Sera
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY