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Sunao Okamura

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  • Shizuoka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Amplifier
    • Patent number D933629
    • Issue date Oct 19, 2021
    • Yamaha Corporation
    • Sunao Okamura
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Amplifier
    • Patent number D903625
    • Issue date Dec 1, 2020
    • Yamaha Corporation
    • Sunao Okamura
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Digital piano
    • Patent number D718809
    • Issue date Dec 2, 2014
    • Yamaha Corporation
    • Takenori Omachi
    • D17 - Musical instruments
  • Information Patent Grant

    Digital piano
    • Patent number D718808
    • Issue date Dec 2, 2014
    • Yamaha Corporation
    • Sunao Okamura
    • D17 - Musical instruments
  • Information Patent Grant

    Digital piano
    • Patent number D718375
    • Issue date Nov 25, 2014
    • Yamaha Corporation
    • Sunao Okamura
    • D17 - Musical instruments
  • Information Patent Grant

    Electronic keyboard
    • Patent number D668710
    • Issue date Oct 9, 2012
    • Yamaha Corporation
    • Sunao Okamura
    • D17 - Musical instruments
  • Information Patent Grant

    Combined speaker and amplifier
    • Patent number D589929
    • Issue date Apr 7, 2009
    • Yamaha Corporation
    • Sunao Okamura
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Combined speaker and amplifier
    • Patent number D579914
    • Issue date Nov 4, 2008
    • Yamaha Corporation
    • Sunao Okamura
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Combined speaker and amplifier
    • Patent number D579441
    • Issue date Oct 28, 2008
    • Yamaha Corporation
    • Sunao Okamura
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Combined speaker and amplifier
    • Patent number D538259
    • Issue date Mar 13, 2007
    • Yamaha Corporation
    • Sunao Okamura
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Speaker
    • Patent number D520494
    • Issue date May 9, 2006
    • Yamaha Corporation
    • Nobushiro Aiba
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Electronic keyboard instrument
    • Patent number D510381
    • Issue date Oct 4, 2005
    • Yamaha Corporation
    • Sunao Okamura
    • D17 - Musical instruments
  • Information Patent Grant

    Electronic keyboard instrument
    • Patent number D507291
    • Issue date Jul 12, 2005
    • Yamaha Corporation
    • Sunao Okamura
    • D17 - Musical instruments
  • Information Patent Grant

    Electronic keyboard instrument
    • Patent number D499442
    • Issue date Dec 7, 2004
    • Yamaha Corporation
    • Sunao Okamura
    • D17 - Musical instruments
  • Information Patent Grant

    Piano
    • Patent number D474801
    • Issue date May 20, 2003
    • Yamaha Corporation
    • Sunao Okamura
    • D17 - Musical instruments
  • Information Patent Grant

    Electric cello
    • Patent number D419587
    • Issue date Jan 25, 2000
    • Yamaha Corporation
    • Sunao Okamura
    • D17 - Musical instruments
  • Information Patent Grant

    Electronic keyboard musical instrument
    • Patent number D411563
    • Issue date Jun 29, 1999
    • Yamaha Corporation
    • Sunao Okamura
    • D17 - Musical instruments
  • Information Patent Grant

    Electronic piano
    • Patent number D369378
    • Issue date Apr 30, 1996
    • Yamaha Corporation
    • Sunao Okamura
    • D17 - Musical instruments