TREA

Hayakawa; Ichiya

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pulsed-DC ionizer
    • Patent number 5,249,094
    • Issue date Sep 28, 1993
    • Asahi Glass Company Ltd.
    • Ichiya Hayakawa
    • H01 - BASIC ELECTRIC ELEMENTS