TREA

Kotobuki Corporation

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Patents Grantslast 30 patents

  • Information Patent Grant

    Connected chairs
    • Patent number D439428
    • Issue date Mar 27, 2001
    • Kotobuki Corporation
    • Satoshi Mizuno
    • D06 - Furnishings
  • Information Patent Grant

    Layable seat
    • Patent number RE37043
    • Issue date Feb 6, 2001
    • Kotobuki Corporation
    • Ryokichi Yamazaki
    • 297 - Chairs and seats
  • Information Patent Grant

    Retractable stairs-like stand
    • Patent number 6,055,780
    • Issue date May 2, 2000
    • Kotobuki Corporation
    • Ryokichi Yamazaki
    • E04 - BUILDING
  • Information Patent Grant

    Retractable stairs-like stand
    • Patent number 6,000,174
    • Issue date Dec 14, 1999
    • Kotobuki Corporation
    • Ryokichi Yamazaki
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • 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

    Seating unit
    • Patent number D396967
    • Issue date Aug 18, 1998
    • Kotobuki Corporation
    • Ryokichi Yamazaki
    • D06 - Furnishings
  • Information Patent Grant

    Folding seat and seating system having folding seat
    • Patent number 5,685,608
    • Issue date Nov 11, 1997
    • Kotobuki Corporation
    • Ryokichi Yamazaki
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Layable seat
    • Patent number 5,328,238
    • Issue date Jul 12, 1994
    • Kotobuki Corporation
    • Ryokichi Yamazaki
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Flip-up type seat
    • Patent number 5,328,239
    • Issue date Jul 12, 1994
    • Kotobuki Corporation
    • Ryokichi Yamazaki
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Damper device for an automatic folding chair
    • Patent number 5,257,852
    • Issue date Nov 2, 1993
    • Sugatsune Industrial Co., Ltd.
    • Ken Tsuneki
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...