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Shigeo Yamamura

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  • Yono, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electrophotographic toner
    • Patent number 5,389,486
    • Issue date Feb 14, 1995
    • Nippon Kayaku Kabushiki Kaisha
    • Tadayuki Kiyoyanagi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Electrophotographic toner
    • Patent number 5,382,490
    • Issue date Jan 17, 1995
    • Nippon Kayaku Kabushiki Kaisha
    • Shigeo Yamamura
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Electrophotographic toner
    • Patent number 5,225,305
    • Issue date Jul 6, 1993
    • Nippon Kayaku Kabushiki Kaisha
    • Tadayuki Kiyoyanagi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Cuprophthalocyanine type compounds
    • Patent number 4,771,132
    • Issue date Sep 13, 1988
    • Nippon Kayaku Kabushiki Kaisha
    • Ryuzo Orita
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...