TREA

Soichi Takigawa

Follow

Person

  • Shizuoka, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Speaker diaphragm
    • Patent number D808932
    • Issue date Jan 30, 2018
    • Yamaha Corporation
    • Masao Noro
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Speaker diaphragm
    • Patent number D808933
    • Issue date Jan 30, 2018
    • Yamaha Corporation
    • Masao Noro
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Speaker diaphragm
    • Patent number D775608
    • Issue date Jan 3, 2017
    • Yamaha Corporation
    • Masao Noro
    • D14 - Recording, communication, or information retrieval equipment