TREA

Koji Hagiwara

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  • Choseimura, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Color cathode ray tube
    • Patent number 6,707,242
    • Issue date Mar 16, 2004
    • Hitachi, Ltd.
    • Yoichi Ito
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Color cathode ray tube
    • Publication number 20030001481
    • Publication date Jan 2, 2003
    • Yoichi Ito
    • H01 - BASIC ELECTRIC ELEMENTS