TREA

Shozo Harada

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  • Kanagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Color-former
    • Patent number 5,178,949
    • Issue date Jan 12, 1993
    • Jujo Paper Co., Ltd.
    • Masahiro Sakamoto
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Process for producing microcapsules
    • Patent number 5,061,410
    • Issue date Oct 29, 1991
    • Juju Paper Co., Ltd.
    • Masahiro Sakamoto
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS