Koichi Harada

Person

  • Yokohama, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Copolymer latex

    • Patent number 4,613,633
    • Issue date Sep 23, 1986
    • Nippon Zeon Co., Ltd.
    • Masayoshi Sekiya
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE