Tsuneaki Rikiishi

Person

  • Gunma, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Voice coil of speaker

    • Patent number 7,050,601
    • Issue date May 23, 2006
    • Matsushita Electric Industrial Co., Ltd.
    • Takashi Suzuki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Voice coil of speaker

    • Publication number 20040197006
    • Publication date Oct 7, 2004
    • Takashi Suzuki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE