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Yuichiro Chikamatsu

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  • Kawasaki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Edge switch
    • Patent number 7,483,378
    • Issue date Jan 27, 2009
    • Fujitsu Limited
    • Yuichiro Chikamatsu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Communication unit having packet multiplexing function
    • Patent number 6,636,479
    • Issue date Oct 21, 2003
    • Fujitsu Limited
    • Yuichiro Chikamatsu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Edge switch
    • Publication number 20060250962
    • Publication date Nov 9, 2006
    • FUJITSU LIMITED
    • Yuichiro Chikamatsu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Gateway apparatus and voice data transmission method
    • Publication number 20020141392
    • Publication date Oct 3, 2002
    • Yasuo Tezuka
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE