TREA

Tetsuji Kojima

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Toner cartridge
    • Patent number D546873
    • Issue date Jul 17, 2007
    • Oki Data Corporation
    • Shinichi Otani
    • D18 - Printing and office machinery
  • Information Patent Grant

    Image drum cartridge
    • Patent number D529076
    • Issue date Sep 26, 2006
    • Oki Data Corporation
    • Atsushi Kobayashi
    • D18 - Printing and office machinery