TREA

Yuji Sakurai

Follow

Person

  • Hamamatsu-Shi, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Audio system and method of controlling conveyer device
    • Patent number 11,513,529
    • Issue date Nov 29, 2022
    • Yamaha Corporation
    • Taku Ueda
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Speaker cover
    • Patent number 9,695,610
    • Issue date Jul 4, 2017
    • Yamaha Corporation
    • Shinya Sonoda
    • E04 - BUILDING
  • Information Patent Grant

    Speaker cover
    • Patent number D763231
    • Issue date Aug 9, 2016
    • Yamaha Corporation
    • Shinya Sonoda
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Main case body of musical keyboard instrument
    • Patent number 7,439,436
    • Issue date Oct 21, 2008
    • Yamaha Corporation
    • Yuji Sakurai
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Exterior structure for keyboard instrument
    • Patent number 7,425,672
    • Issue date Sep 16, 2008
    • Yamaha Corporation
    • Daisuke Haba
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents