TREA

Hirofumi Yanagizawa

Follow

Person

  • Shiga-ken, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Electroconductive brush and copying device for electrophotography
    • Patent number 7,212,779
    • Issue date May 1, 2007
    • Gunze Limited
    • Hirofumi Yanagizawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Charging device
    • Patent number 5,592,263
    • Issue date Jan 7, 1997
    • Gunze Limited
    • Katsumi Adachi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Flocked member
    • Patent number 5,403,638
    • Issue date Apr 4, 1995
    • Mitsui Petrochemical Industries, Ltd.
    • Hirofumi Yanagizawa
    • D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
  • Information Patent Grant

    Device for holding slidable member
    • Patent number 5,189,840
    • Issue date Mar 2, 1993
    • Gunze Limited
    • Hirofumi Yanagizawa
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS

Patents Applicationslast 30 patents