TREA

Yasuhiro Honda

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  • Numazu, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Thermosensitive recording material
    • Patent number 4,727,054
    • Issue date Feb 23, 1988
    • Ricoh Company, Ltd.
    • Yukihiro Yuyama
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Thermosensitive recording adhesive sheet
    • Patent number 4,711,874
    • Issue date Dec 8, 1987
    • Ricoh Company, Ltd.
    • Yukihiro Yuyama
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS