TREA

Yoichirou Shimomuku

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  • Hamamatsu-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Key structure and keyboard apparatus
    • Patent number 7,652,207
    • Issue date Jan 26, 2010
    • Yamaha Corporation
    • Ichiro Osuga
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Key structure and keyboard apparatus
    • Patent number 7,541,532
    • Issue date Jun 2, 2009
    • Yamaha Corporation
    • Ichiro Osuga
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Key structure and keyboard apparatus
    • Patent number 7,268,285
    • Issue date Sep 11, 2007
    • Yamaha Corporation
    • Yoichirou Shimomuku
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Key structure
    • Patent number 7,265,288
    • Issue date Sep 4, 2007
    • Yamaha Corporation
    • Kenichi Nishida
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Key structure and keyboard apparatus
    • Patent number 7,176,370
    • Issue date Feb 13, 2007
    • Yamaha Corporation
    • Ichiro Osuga
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    KEY STRUCTURE AND KEYBOARD APPARATUS
    • Publication number 20080210079
    • Publication date Sep 4, 2008
    • Yamaha Corporation
    • Ichiro Osuga
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    Key structure and keyboard apparatus
    • Publication number 20070022864
    • Publication date Feb 1, 2007
    • Yamaha Corporation
    • Ichiro Osuga
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    Key structure
    • Publication number 20050145093
    • Publication date Jul 7, 2005
    • Yamaha Corporation
    • Kenichi Nishida
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    Key structure and keyboard apparatus
    • Publication number 20050056138
    • Publication date Mar 17, 2005
    • Yamaha Corporation
    • Ichiro Osuga
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    Key structure and keyboard apparatus
    • Publication number 20050056136
    • Publication date Mar 17, 2005
    • Yamaha Corporation
    • Yoichirou Shimomuku
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS