Susumu Ishikawa

Person

  • Tokushima-ken, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Permanent paper

    • Patent number 5,562,974
    • Issue date Oct 8, 1996
    • Nippon Paper Industries Co., Ltd.
    • Yoshihiro Kuroyama
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE