TREA

Yasuji Koga

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  • Kobe, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pressure sensitive recording materials
    • Patent number 5,478,793
    • Issue date Dec 26, 1995
    • Kanzaki Paper Manufacturing Co., Ltd.
    • Tetsuo Tsuchida
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Heat sensitive recording material
    • Patent number 5,212,145
    • Issue date May 18, 1993
    • Kanzaki Paper Manufacturing Co., Ltd.
    • Tetsuo Tsuchida
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS