TREA

Toshihiro Kujirai

Follow

Person

  • Kokubunji, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Sound collection system
    • Patent number 7,587,055
    • Issue date Sep 8, 2009
    • Hitachi, Ltd.
    • Toshihiro Kujirai
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Sound collection system
    • Publication number 20060045289
    • Publication date Mar 2, 2006
    • Toshihiro Kujirai
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE