TREA

Akira Koitabashi

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Jewel holding device
    • Patent number 6,023,947
    • Issue date Feb 15, 2000
    • Yama Co., Ltd.
    • Kazusane Afuku
    • A44 - HABERDASHERY JEWELLERY
  • Information Patent Grant

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