Tsunemi Oiwa

Person

  • Osaka, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Thermal recording medium

    • Patent number 5,246,766
    • Issue date Sep 21, 1993
    • Hitachi Maxell Ltd.
    • Ryuzo Fukao
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS