Hiroyuki Sakaguchi

Person

  • Kawasaki, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Communication system

    • Patent number 8,576,834
    • Issue date Nov 5, 2013
    • Fujitsu Limited
    • Hiroyuki Sakaguchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Audio response/report device

    • Patent number 5,832,066
    • Issue date Nov 3, 1998
    • Fujitsu Limited
    • Hiroyuki Sakaguchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Communication system

    • Publication number 20080013525
    • Publication date Jan 17, 2008
    • FUJITSU LIMITED
    • Hiroyuki Sakaguchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE