TREA

Masayoshi Yamashita

Follow

Person

  • Hamamatsu-shi, JP
People

Patents Applicationslast 30 patents

  • Information Patent Application

    MUSICAL KEYBOARD INSTRUMENT
    • Publication number 20080127799
    • Publication date Jun 5, 2008
    • Yamaha Corporation
    • Masayoshi Yamashita
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    Key actuating system
    • Publication number 20080092720
    • Publication date Apr 24, 2008
    • Masayoshi Yamashita
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    Key driving apparatus and keyboard musical instrument
    • Publication number 20070234890
    • Publication date Oct 11, 2007
    • Masayoshi Yamashita
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS