TREA

Kozo Ando

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  • Chiba, JA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pen points for writing instruments
    • Patent number 4,076,428
    • Issue date Feb 28, 1978
    • Tokyo Boshi Kabushiki Kaisha
    • Nobuyuki Otake
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pen point for writing instruments
    • Patent number 3,932,044
    • Issue date Jan 13, 1976
    • Tokyo Boshi Kabushiki Kaisha
    • Nobuyuki Otake
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES