Takahiro Koyanagi

Person

  • Niigata, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Reflex-type screen assembly

    • Patent number 7,262,911
    • Issue date Aug 28, 2007
    • Arisawa Mfg. Co., Ltd.
    • Masatoshi Niwa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Reflex-type screen

    • Patent number 7,110,176
    • Issue date Sep 19, 2006
    • Arisawa Mfg. Co., Ltd.
    • Hajime Maruta
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

  • Information Patent Application

    Reflex-type screen

    • Publication number 20050248843
    • Publication date Nov 10, 2005
    • Arisawa Mfg. Co., Ltd.
    • Hajime Maruta
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Reflex-type screen assembly

    • Publication number 20050200952
    • Publication date Sep 15, 2005
    • ARISAWA MFG.CO., LTD.
    • Masatoshi Niwa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY