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Toshihiko Kageyama

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  • Kawagoe, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Clip attaching structure
    • Patent number 6,687,959
    • Issue date Feb 10, 2004
    • Kotobuki & Co., Ltd.
    • Toshihiko Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing tool
    • Patent number 5,700,101
    • Issue date Dec 23, 1997
    • Kotobuki & Co., Ltd.
    • Shuhei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing tool
    • Patent number 5,683,191
    • Issue date Nov 4, 1997
    • Kotobuki & Co., Ltd.
    • Shuhei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing tool, with eraser dispenser
    • Patent number 5,370,471
    • Issue date Dec 6, 1994
    • Kotobuki & Co., Ltd.
    • Shubei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing tool for advancing lead with eraser dispenser
    • Patent number 5,236,270
    • Issue date Aug 17, 1993
    • Kotobuki & Co. Ltd.
    • Shuhei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Knock type mechanical pencil with retractable eraser
    • Patent number 5,207,522
    • Issue date May 4, 1993
    • Kotobuki & Co., Ltd.
    • Shuhei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing tool
    • Patent number 5,062,727
    • Issue date Nov 5, 1991
    • Kotobuki & Co., Ltd.
    • Shubei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing tool with eraser dispenser
    • Patent number 5,022,774
    • Issue date Jun 11, 1991
    • Kotobuki & Co., Ltd.
    • Shuhei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Knock-type propelling pencil with storage cartridge
    • Patent number 4,583,874
    • Issue date Apr 22, 1986
    • Kabushikikaisha Kotobuki
    • Toshihiko Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Cutter knife
    • Patent number 4,200,977
    • Issue date May 6, 1980
    • Kotobuki & Co. Ltd.
    • Toshihiko Kageyama
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING

Patents Applicationslast 30 patents

  • Information Patent Application

    Clip attaching structure
    • Publication number 20030056336
    • Publication date Mar 27, 2003
    • Kotobuki & Co., Ltd.
    • Toshihiko Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES