Ippei Shimizu

Person

  • Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Newsprint

    • Patent number 5,376,237
    • Issue date Dec 27, 1994
    • Jujo Paper Co., Ltd.
    • Takeshi Ishiguro
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE