Hirofumi Tanaka

Person

  • Wakayama, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Heat sensitive paper

    • Patent number 4,870,049
    • Issue date Sep 26, 1989
    • Sharp Kabushiki Kaisha
    • Yoichi Yamamoto
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS