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Shuhei Kageyama

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Patents Grantslast 30 patents

  • Information Patent Grant

    Writing utensil
    • Patent number 6,126,350
    • Issue date Oct 3, 2000
    • The Gillette Company
    • Shuhei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Dispenser for selectively extending and retracting a substantially...
    • Patent number 5,961,236
    • Issue date Oct 5, 1999
    • Kotobuki & Co.
    • Shuhei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument
    • Patent number 5,961,237
    • Issue date Oct 5, 1999
    • Kotobuki & Co., Ltd.
    • Shuhei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Dispenser for selectively extending and retracting a substantially...
    • Patent number 5,927,882
    • Issue date Jul 27, 1999
    • Kotobuki Co., Ltd.
    • Shuhei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Mechanical pencil
    • Patent number 5,826,999
    • Issue date Oct 27, 1998
    • Kotobuki & Co., Ltd.
    • Shuhei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument
    • Patent number 5,810,496
    • Issue date Sep 22, 1998
    • Kotobuki & Co., Ltd.
    • Shuhei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Lead dispensing storage container
    • Patent number 5,788,118
    • Issue date Aug 4, 1998
    • Kotobuki & Co., Ltd.
    • Shuhei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Lead dispensing storage container
    • Patent number 5,720,643
    • Issue date Feb 24, 1998
    • Kotobuki & Co., Ltd.
    • Shuhei 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

    Stick-shaped material drive container and supply cassette
    • Patent number 5,549,404
    • Issue date Aug 27, 1996
    • Kotobuki & Co., Ltd.
    • Shuhei Kageyama
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Grant

    Writing instrument with rotatable advancement and retraction
    • Patent number 5,547,301
    • Issue date Aug 20, 1996
    • Kotobuki & Co., Ltd.
    • Shuhei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Lead dispensing storage container
    • Patent number 5,480,249
    • Issue date Jan 2, 1996
    • Kotobuki & Co., Ltd.
    • Shuhei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument
    • Patent number 5,413,428
    • Issue date May 9, 1995
    • Kotobuki & Co. Ltd.
    • Shuhei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Flat stick-shaped material propelling container
    • Patent number 5,362,166
    • Issue date Nov 8, 1994
    • Kotobuki & Co., Ltd.
    • Tadashi Yamamoto
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Twin-type stick-shaped material extending container
    • Patent number 5,306,107
    • Issue date Apr 26, 1994
    • Kotobuki & Co., Ltd.
    • Shuhei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Rotary-cam ball-point pen
    • Patent number 5,263,786
    • Issue date Nov 23, 1993
    • Kotobuki & Co., Inc.
    • Shuhei 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 implement with side actuator
    • Patent number 5,184,908
    • Issue date Feb 9, 1993
    • Kotobuki & Co., Ltd.
    • Tadashi Yamamoto
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Container with snap-in chuck and chuck ring
    • Patent number 5,165,813
    • Issue date Nov 24, 1992
    • Kotobuki & Co., Ltd.
    • Shuhei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Swing-type mechanical pencil
    • Patent number 5,149,219
    • Issue date Sep 22, 1992
    • Kotobuki & Co., Ltd.
    • Shuhei 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

    Writing tools
    • Patent number 4,976,561
    • Issue date Dec 11, 1990
    • Kotobuki & Co., Ltd.
    • Shuhei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Clip actuated latch mechanism for retractable writing instruments
    • Patent number 4,973,179
    • Issue date Nov 27, 1990
    • Kotobuki & Co., Ltd.
    • Youichi Nakazato
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Lead forwarding mechanism retainer for thurst action mechanical pencil
    • Patent number 4,969,763
    • Issue date Nov 13, 1990
    • Kotobuki & Co., Ltd.
    • Shuhei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Swing-type mechanical pencil
    • Patent number 4,929,107
    • Issue date May 29, 1990
    • Kotobuki & Co., Ltd.
    • Shuhei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Working out container of bar shaped article
    • Patent number 4,856,693
    • Issue date Aug 15, 1989
    • Kotobuki and Company, Ltd.
    • Shuhei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES