TREA

Shohji Anzai

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  • Kawagoe, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Lead dispensing storage container
    • Patent number 5,788,118
    • Issue date Aug 4, 1998
    • Kotobuki & Co., Ltd.
    • Shuhei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Lead dispensing storage container
    • Patent number 5,720,643
    • Issue date Feb 24, 1998
    • Kotobuki & Co., Ltd.
    • Shuhei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Lead dispensing storage container
    • Patent number 5,480,249
    • Issue date Jan 2, 1996
    • Kotobuki & Co., Ltd.
    • Shuhei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES