TREA

Yasuhiko Oiri

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Reversible image-forming material
    • Patent number 4,762,818
    • Issue date Aug 9, 1988
    • Mitsubishi Paper Mills, Ltd.
    • Mikiya Sekine
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Reversible image-forming material
    • Patent number 4,628,337
    • Issue date Dec 9, 1986
    • Mitsubishi Paper Mills, Ltd.
    • Mikiya Sekine
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Thermal recording method
    • Patent number 4,330,785
    • Issue date May 18, 1982
    • Mitsubishi Paper Mills, Ltd.
    • Kenji Yabuta
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS