Osamu Sekihata

Person

  • Kawasaki, JP

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    RING SWITCHOVER METHOD

    • Publication number 20090147675
    • Publication date Jun 11, 2009
    • Fujitsu Limited
    • Osamu Sekihata
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Communication system and communication apparatus

    • Publication number 20050220104
    • Publication date Oct 6, 2005
    • FUJITSU LIMITED
    • Ikutaro Tsujikado
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Ring switchover method

    • Publication number 20040081083
    • Publication date Apr 29, 2004
    • Osamu Sekihata
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Method, apparatus, and system for bandwidth control

    • Publication number 20020159480
    • Publication date Oct 31, 2002
    • Osamu Sekihata
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE