Hirokazu Koyama

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Hino, JP

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Patents Grantslast 30 patents

Information Patent Grant
Support for rolled light-sensitive photographic material
- Patent number 6,511,738
- Issue date Jan 28, 2003
- Konica Corporation
- Hirokazu Koyama
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Method for producing information recording medium
- Patent number 5,955,251
- Issue date Sep 21, 1999
- Konica Corporation
- Hirokazu Koyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light-sensitive silver halide photographic material
- Patent number 5,372,923
- Issue date Dec 13, 1994
- Konica Corporation
- Yasuo Kurachi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY