Atushi Kamitakahara

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Patents Grantslast 30 patents

Information Patent Grant
Direct positive silver halide light-sensitive color photographic ma...
- Patent number 4,925,780
- Issue date May 15, 1990
- Konica Corporation
- Tomimi Yoshizawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Direct positive silver halide photographic material
- Patent number 4,917,991
- Issue date Apr 17, 1990
- Konishiroku Photo Industry Co., Ltd.
- Yasuo Tosaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Direct positive light-sensitive silver halide photographic material
- Patent number 4,910,130
- Issue date Mar 20, 1990
- Konica Corporation
- Keiji Ogi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Direct positive image-forming process
- Patent number 4,840,879
- Issue date Jun 20, 1989
- Konishiroku Photo Industry Co., Ltd.
- Atushi Kamitakahara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for treating light-sensitive silver halide color photograph...
- Patent number 4,192,680
- Issue date Mar 11, 1980
- Konishiroku Photo Industry Co., Ltd.
- Isamu Fushiki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY