TREA

Matsuhei Toyama

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Retractable writing implement
    • Patent number 7,972,072
    • Issue date Jul 5, 2011
    • Zebra Co., Ltd.
    • Matsuhei Toyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing tool
    • Patent number 6,042,290
    • Issue date Mar 28, 2000
    • Zebra Co., Ltd.
    • Shinichi Ishikawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Cap for writing instruments
    • Patent number 5,927,888
    • Issue date Jul 27, 1999
    • Zebra Co., Ltd.
    • Matsuhei Toyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Cap for writing tool
    • Patent number 5,911,534
    • Issue date Jun 15, 1999
    • Zebra Co., Ltd.
    • Matsuhei Toyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing tool and pressurizing cap
    • Patent number 5,888,009
    • Issue date Mar 30, 1999
    • Zebra Co., Ltd.
    • Matsuhei Toyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    RETRACTABLE WRITING IMPLEMENT
    • Publication number 20100183356
    • Publication date Jul 22, 2010
    • ZEBRA CO., LTD.
    • Matsuhei Toyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES