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Yoshihiro Katsumata

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  • Yokohama-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ink wastage absorber and ink supporter
    • Patent number 6,699,423
    • Issue date Mar 2, 2004
    • Bridgestone Corporation
    • Yoshihiro Katsumata
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Ink wastage absorber and ink supporter
    • Patent number 6,337,354
    • Issue date Jan 8, 2002
    • Bridgestone Corporation
    • Yoshihiro Katsumata
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

  • Information Patent Application

    Ink wastage absorber and ink supporter
    • Publication number 20040126559
    • Publication date Jul 1, 2004
    • Bridgestone Corporation
    • Yoshihiro Katsumata
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Flexible polyurethane foam
    • Publication number 20040068022
    • Publication date Apr 8, 2004
    • Yoshihiro Katsumata
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Flexible polyurethane foam
    • Publication number 20030013779
    • Publication date Jan 16, 2003
    • Bridgestone Corporation
    • Yoshihiro Katsumata
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Soft polyurethane foam
    • Publication number 20020123536
    • Publication date Sep 5, 2002
    • Hideya Kinoshita
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Ink wastage absorber and ink supporter
    • Publication number 20020055549
    • Publication date May 9, 2002
    • Bridgestone Corporation
    • Yoshihiro Katsumata
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS