TREA

Tetsuya Katsumata

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Communication apparatus
    • Patent number 8,457,444
    • Issue date Jun 4, 2013
    • Pioneer Corporation
    • Tomoki Ohkawa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Communication apparatus
    • Publication number 20050052528
    • Publication date Mar 10, 2005
    • PIONEER CORPORATION
    • Tomoki Ohkawa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE