Chihiro Hayashi

Person

  • Osaka, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Diazo copying material

    • Patent number 4,225,662
    • Issue date Sep 30, 1980
    • Ricoh Company, Ltd.
    • Tsutomu Matsuda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY