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Hiroyuki Matsumoto

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  • Kawasaki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical transmission system
    • Patent number 7,065,297
    • Issue date Jun 20, 2006
    • Fujitsu Limited
    • Kazunori Horachi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Subscriber digital transmission system
    • Patent number 5,453,989
    • Issue date Sep 26, 1995
    • Fujitsu Limited
    • Seiji Kitayama
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Subscriber transmission system
    • Patent number 5,436,895
    • Issue date Jul 25, 1995
    • Fujitsu Limited
    • Hiroyuki Matsumoto
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Optical transmission system
    • Publication number 20040005152
    • Publication date Jan 8, 2004
    • FUJITSU LIMITED
    • Kazunori Horachi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE