Hidehiko Koishi

Person

  • Fukuoka, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Heat-sensitive recording materials

    • Patent number 4,672,401
    • Issue date Jun 9, 1987
    • Nippon Steel Chemical Co., Ltd.
    • Yasuharu Yamada
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS