Yoshiyuki Yoshizumi

Person

  • Kanagawa-ken, JP

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    A HEARING AID ADJUSTER

    • Publication number 20090022346
    • Publication date Jan 22, 2009
    • Matsushita Electric Industrial Co., Ltd.
    • Hiroshi Kondo
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Howling Detection Method, Device, And Acoustic Device Using The Same

    • Publication number 20070280487
    • Publication date Dec 6, 2007
    • Takefumi Ura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Hearing aid

    • Publication number 20070058828
    • Publication date Mar 15, 2007
    • Matsushita Electric Industrial Co., Ltd.
    • Shigekiyo Fujii
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE