Toshiaki Azuma

Person

  • Mishima, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Thermosensitive recording paper

    • Patent number 5,151,404
    • Issue date Sep 29, 1992
    • Ricoh Company, Ltd.
    • Aimi Suzuki
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE