TREA

Yoshiharu Aoki

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Packaging case
    • Patent number 5,947,297
    • Issue date Sep 7, 1999
    • Sigma P.I. Co., Ltd.
    • Yoshiharu Aoki
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Pour spout container
    • Patent number 4,896,824
    • Issue date Jan 30, 1990
    • Sigma Shigyo Kabushiki Kaisha
    • Yoshiharu Aoki
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL