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Ryo Igarashi

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Patents Grantslast 30 patents

  • Information Patent Grant

    Armrest and chair
    • Patent number 10,932,575
    • Issue date Mar 2, 2021
    • Okamura Corporation
    • Hiroshi Masunaga
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Armrest and chair
    • Patent number 10,898,001
    • Issue date Jan 26, 2021
    • Okamura Corporation
    • Hiroshi Masunaga
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Chair
    • Patent number D903354
    • Issue date Dec 1, 2020
    • Okamura Corporation
    • Ryo Igarashi
    • D06 - Furnishings
  • Information Patent Grant

    Chair
    • Patent number D903355
    • Issue date Dec 1, 2020
    • Okamura Corporation
    • Ryo Igarashi
    • D06 - Furnishings
  • Information Patent Grant

    Chair
    • Patent number 10,159,350
    • Issue date Dec 25, 2018
    • Okamura Corporation
    • Ryo Igarashi
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Chair
    • Patent number 9,578,968
    • Issue date Feb 28, 2017
    • Okamura Corporation
    • Hiroshi Masunaga
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Stretching structure of a tension member for a chair
    • Patent number 9,022,482
    • Issue date May 5, 2015
    • Okamura Corporation
    • Sayaka Morio
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Backrest device in a chair
    • Patent number 8,191,970
    • Issue date Jun 5, 2012
    • Okamura Corporation
    • Ryo Igarashi
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Chair backrest device
    • Patent number 8,172,332
    • Issue date May 8, 2012
    • Okamura Corporation
    • Hiroshi Masunaga
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Chair and the structure for stretching a mesh over an element of th...
    • Patent number 7,837,272
    • Issue date Nov 23, 2010
    • Okamura Corporation
    • Hiroshi Masunaga
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Chair
    • Patent number D587915
    • Issue date Mar 10, 2009
    • Okamura Corporation
    • Ryo Igarashi
    • D06 - Furnishings
  • Information Patent Grant

    Chair
    • Patent number D587027
    • Issue date Feb 24, 2009
    • Okamura Corporation
    • Ryo Igarashi
    • D06 - Furnishings
  • Information Patent Grant

    Chair
    • Patent number D575542
    • Issue date Aug 26, 2008
    • Okamura Corporation
    • Ryo Igarashi
    • D06 - Furnishings
  • Information Patent Grant

    Chair
    • Patent number D568057
    • Issue date May 6, 2008
    • Okamura Corporation
    • Ryo Igarashi
    • D06 - Furnishings
  • Information Patent Grant

    Chair
    • Patent number D567521
    • Issue date Apr 29, 2008
    • Okamura Corporation
    • Ryo Igarashi
    • D06 - Furnishings
  • Information Patent Grant

    Chair
    • Patent number D567522
    • Issue date Apr 29, 2008
    • Okamura Corporation
    • Ryo Igarashi
    • D06 - Furnishings
  • Information Patent Grant

    Chair
    • Patent number D559574
    • Issue date Jan 15, 2008
    • Okamura Corporation
    • Ryo Igarashi
    • D06 - Furnishings
  • Information Patent Grant

    Chair
    • Patent number D559572
    • Issue date Jan 15, 2008
    • Okamura Corporation
    • Ryo Igarashi
    • D06 - Furnishings
  • Information Patent Grant

    Chair
    • Patent number D559573
    • Issue date Jan 15, 2008
    • Okamura Corporation
    • Ryo Igarashi
    • D06 - Furnishings
  • Information Patent Grant

    Chair
    • Patent number D558996
    • Issue date Jan 8, 2008
    • Okamura Corporation
    • Ryo Igarashi
    • D06 - Furnishings
  • Information Patent Grant

    Chair
    • Patent number D558997
    • Issue date Jan 8, 2008
    • Okamura Corporation
    • Ryo Igarashi
    • D06 - Furnishings
  • Information Patent Grant

    Chair
    • Patent number D558995
    • Issue date Jan 8, 2008
    • Okamura Corporation
    • Ryo Igarashi
    • D06 - Furnishings
  • Information Patent Grant

    Chair
    • Patent number D555924
    • Issue date Nov 27, 2007
    • Okamura Corporation
    • Ryo Igarashi
    • D06 - Furnishings
  • Information Patent Grant

    Chair
    • Patent number D550977
    • Issue date Sep 18, 2007
    • Okamura Corporation
    • Ryo Igarashi
    • D06 - Furnishings
  • Information Patent Grant

    Chair
    • Patent number D550471
    • Issue date Sep 11, 2007
    • Okamura Corporation
    • Ryo Igarashi
    • D06 - Furnishings
  • Information Patent Grant

    Chair
    • Patent number 7,246,859
    • Issue date Jul 24, 2007
    • Okamura Corporation
    • Ryo Igarashi
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Tilting mechanism for a chair and a chair having the same
    • Patent number 7,243,993
    • Issue date Jul 17, 2007
    • Okamura Corporation
    • Ryo Igarashi
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Tilting mechanism for a chair and chair having the same
    • Patent number 7,097,249
    • Issue date Aug 29, 2006
    • Okamura Corporation
    • Ryo Igarashi
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Chair
    • Patent number D514838
    • Issue date Feb 14, 2006
    • Okamura Corporation
    • Ryo Igarashi
    • D06 - Furnishings
  • Information Patent Grant

    Chair
    • Patent number D514345
    • Issue date Feb 7, 2006
    • Okamura Corporation
    • Ryo Igarashi
    • D06 - Furnishings

Patents Applicationslast 30 patents

  • Information Patent Application

    ARMREST AND CHAIR
    • Publication number 20190298071
    • Publication date Oct 3, 2019
    • Okamura Corporation
    • Hiroshi Masunaga
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    CHAIR
    • Publication number 20160120320
    • Publication date May 5, 2016
    • OKAMURA CORPORATION
    • Ryo IGARASHI
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    CHAIR
    • Publication number 20160100691
    • Publication date Apr 14, 2016
    • Okamura Corporation
    • Hiroshi Masunaga
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    CHAIR
    • Publication number 20150265058
    • Publication date Sep 24, 2015
    • Okamura Corporation
    • Ryo Igarashi
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    STRETCHING STRUCTURE OF A TENSION MEMBER FOR A CHAIR
    • Publication number 20130307311
    • Publication date Nov 21, 2013
    • OKAMURA CORPORATION
    • Sayaka Morio
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    CHAIR
    • Publication number 20130169017
    • Publication date Jul 4, 2013
    • OKAMURA CORPORATION
    • Hiroshi Masunaga
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    CHAIR BACKREST
    • Publication number 20110204694
    • Publication date Aug 25, 2011
    • OKAMURA CORPORATION
    • Ryo Igarashi
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    CHAIR BACKREST DEVICE
    • Publication number 20100001572
    • Publication date Jan 7, 2010
    • Hiroshi Masunaga
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    BACKREST DEVICE IN A CHAIR
    • Publication number 20090127914
    • Publication date May 21, 2009
    • Ryo Igarashi
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Chair and the Structure for Stretching a Mesh Over an Element of th...
    • Publication number 20080284229
    • Publication date Nov 20, 2008
    • Hiroshi Masunaga
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    CHAIR
    • Publication number 20060244295
    • Publication date Nov 2, 2006
    • Okamura Corporation
    • Ryo Igarashi
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    TILTING MECHANISM FOR A CHAIR AND A CHAIR HAVING THE SAME
    • Publication number 20060238009
    • Publication date Oct 26, 2006
    • Okamura Corporation
    • Ryo Igarashi
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Structure for mounting a net member to a frame for a seat or backre...
    • Publication number 20040124689
    • Publication date Jul 1, 2004
    • Okumura Corporation
    • Naoki Numa
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Chair
    • Publication number 20040017102
    • Publication date Jan 29, 2004
    • Okamura Corporation
    • Ryo Igarashi
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...