TREA

Pu Wenjun

Follow

Person

  • Hamamatsu, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Keyboard instrument having pedal mechanism
    • Patent number 7,164,071
    • Issue date Jan 16, 2007
    • Yamaha Corporation
    • Wenjun Pu
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Upright keyboard instrument
    • Patent number 6,965,070
    • Issue date Nov 15, 2005
    • Yamaha Corporation
    • Pu Wenjun
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Keyboard instrument
    • Patent number 6,777,605
    • Issue date Aug 17, 2004
    • Yamaha Corporation
    • Pu Wenjun
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS