TREA

Hiroshi Sasao

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  • Kawasaki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ink sheet usable in thermal recording
    • Patent number 5,227,246
    • Issue date Jul 13, 1993
    • Fujitsu Limited
    • Hiroo Ueda
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Thermal imprint ink sheet
    • Patent number 4,935,306
    • Issue date Jun 19, 1990
    • Fujitsu Limited
    • Keita Ohtsuka
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS