Koji Otsuka

Person

  • Kitamoto, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Tack button

    • Patent number 4,697,313
    • Issue date Oct 6, 1987
    • Scovill Japan Kabushiki Kaisha
    • Koji Otsuka
    • A44 - HABERDASHERY JEWELLERY