Koichi Hirano

Person

  • Kanagawa, JP

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Ball-point pen

    • Publication number 20070183837
    • Publication date Aug 9, 2007
    • Mitsubishi Pencil Co., Ltd.
    • Koichi Hirano
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    PROCESS FOR PRODUCING SELF-INKING STAMP AND SELF-INKING STAMP

    • Publication number 20010013293
    • Publication date Aug 16, 2001
    • Mitsubishi Pencil Kabushiki Kaisha
    • KOICHI HIRANO
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS