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Sadaka MITSUO

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  • Fukuoka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Private branch exchange
    • Patent number 8,306,198
    • Issue date Nov 6, 2012
    • Panasonic Corporation
    • Sadaka Mitsuo
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Private branch exchange
    • Patent number 7,471,778
    • Issue date Dec 30, 2008
    • Panasonic Corporation
    • Sadaka Mitsuo
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    PRIVATE BRANCH EXCHANGE
    • Publication number 20090074160
    • Publication date Mar 19, 2009
    • PANASONIC CORPORATION
    • Sadaka MITSUO
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Private branch exchange
    • Publication number 20050147222
    • Publication date Jul 7, 2005
    • Sadaka Mitsuo
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Communication apparatus
    • Publication number 20040184591
    • Publication date Sep 23, 2004
    • Hiroki Shimomura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Telephone and private branch exchange
    • Publication number 20030118171
    • Publication date Jun 26, 2003
    • Sadaka Mitsuo
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Private branch exchange
    • Publication number 20020048353
    • Publication date Apr 25, 2002
    • Sadaka Mitsuo
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE