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Hiroki Ishii

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Patents Grantslast 30 patents

  • Information Patent Grant

    Silver halide photographic element containing a gelatinous layer ha...
    • Patent number 4,088,495
    • Issue date May 9, 1978
    • Konishiroku Photo Industry Co., Ltd.
    • Teiji Habu
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Method for hardening gelatin
    • Patent number 4,057,538
    • Issue date Nov 8, 1977
    • Konishiroku Photo Industry Co., Ltd.
    • Teiji Habu
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Gelatin hardening process
    • Patent number 4,039,520
    • Issue date Aug 2, 1977
    • Konishiroku Photo Industry Co., Ltd.
    • Teiji Habu
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Gelatin hardening process
    • Patent number 3,981,857
    • Issue date Sep 21, 1976
    • Konishiroku Photo Industry Co., Ltd.
    • Teiji Habu
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY