Yu YOSHIZAKI

Person

  • Hamamatsu-shi, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Keyboard device

    • Patent number 9,449,586
    • Issue date Sep 20, 2016
    • Yamaha Corporation
    • Shin Yamamoto
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Keyboard device and key unit

    • Patent number 9,406,284
    • Issue date Aug 2, 2016
    • Yamaha Corporation
    • Yu Yoshizaki
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    KEYBOARD APPARATUS

    • Publication number 20240046905
    • Publication date Feb 8, 2024
    • Yamaha Corporation
    • Akito OHBA
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    KEYBOARD DEVICE AND KEY UNIT

    • Publication number 20160133234
    • Publication date May 12, 2016
    • Yamaha Corporation
    • Yu YOSHIZAKI
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    KEYBOARD DEVICE

    • Publication number 20160104464
    • Publication date Apr 14, 2016
    • Yamaha Corporation
    • Shin YAMAMOTO
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS