Kin-ya Hiyoshi

Person

  • Mishima, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Method of producing watermark paper

    • Patent number 5,766,416
    • Issue date Jun 16, 1998
    • Tokushu Paper Manufacturing Co., Ltd.
    • Kin-ya Hiyoshi
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE