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Takayoshi Otani

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Patents Grantslast 30 patents

  • Information Patent Grant

    Metal-graphite brush
    • Patent number 7,294,166
    • Issue date Nov 13, 2007
    • Tris Inc.
    • Takayoshi Otani
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Copper-graphite brush
    • Patent number 7,067,951
    • Issue date Jun 27, 2006
    • Tris Inc.
    • Takayoshi Otani
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Metal-graphite brush
    • Patent number 6,949,863
    • Issue date Sep 27, 2005
    • TRIS Inc.
    • Takayoshi Otani
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Metal-graphite brush and production method thereof
    • Patent number 6,758,881
    • Issue date Jul 6, 2004
    • TRIS Inc.
    • Takayoshi Otani
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Metal-graphite brush
    • Patent number 6,755,882
    • Issue date Jun 29, 2004
    • TRIS Inc.
    • Takayoshi Otani
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Metal-graphite brush
    • Patent number 6,700,292
    • Issue date Mar 2, 2004
    • TRIS Inc.
    • Takayoshi Otani
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Metal-graphite brush
    • Publication number 20060087197
    • Publication date Apr 27, 2006
    • TRIS Inc.
    • Takayoshi Otani
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Metal-graphite brush and production method thereof
    • Publication number 20030190249
    • Publication date Oct 9, 2003
    • TRIS Inc.
    • Takayoshi Otani
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Copper-graphite brush
    • Publication number 20030141777
    • Publication date Jul 31, 2003
    • TRIS Inc.
    • Takayoshi Otani
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Metal-graphite brush
    • Publication number 20030127941
    • Publication date Jul 10, 2003
    • TRIS Inc.
    • Takayoshi Otani
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Metal-graphite brush
    • Publication number 20030107294
    • Publication date Jun 12, 2003
    • TRIS Inc.
    • Takayoshi Otani
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Metal-graphite brush
    • Publication number 20030094074
    • Publication date May 22, 2003
    • TRIS Inc.
    • Takayoshi Otani
    • H01 - BASIC ELECTRIC ELEMENTS