TREA

Kentaro Oka

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  • Fukuoka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Telephone apparatus
    • Patent number 6,882,713
    • Issue date Apr 19, 2005
    • Matsushita Electric Industrial Co., Ltd.
    • Hajime Sakai
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Telephone apparatus
    • Publication number 20020126815
    • Publication date Sep 12, 2002
    • Hajime Sakai
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE