Yasuhiro Tsutsumi

Person

  • Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Elastic belt for papermaking calender

    • Patent number 6,858,291
    • Issue date Feb 22, 2005
    • Ichikawa Co., Ltd.
    • Norio Sakuma
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Belt for calendering

    • Patent number 6,780,287
    • Issue date Aug 24, 2004
    • Ichikawa Co., Ltd.
    • Norio Sakuma
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

  • Information Patent Application

    Belt for calendering

    • Publication number 20030201086
    • Publication date Oct 30, 2003
    • Norio Sakuma
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Application

    Elastic belt for papermaking calender

    • Publication number 20030024675
    • Publication date Feb 6, 2003
    • Norio Sakuma
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE