TREA

Yama Co. Lt.

Follow

Organization

  • Tokyo, JP
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Jewel holding device
    • Patent number 5,974,831
    • Issue date Nov 2, 1999
    • Yama Co. Lt.
    • Kazusane Afuku
    • A44 - HABERDASHERY JEWELLERY