TREA

Mayumi Takata

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    PTC device
    • Patent number 5,358,793
    • Issue date Oct 25, 1994
    • Daito Communication Apparatus Co., Ltd.
    • Toshiyuki Hanada
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    PTC compositions
    • Patent number 5,171,774
    • Issue date Dec 15, 1992
    • Daito Communication Apparatus Co. Ltd.
    • Akira Ueno
    • C01 - INORGANIC CHEMISTRY