Shinichi Koga

Person

  • Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Moisture-proof paper sheet

    • Patent number 5,695,608
    • Issue date Dec 9, 1997
    • New Oji Paper Co., Inc.
    • Hisanori Yagi
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE