Tohru Kikkawa

Person

  • Hirakata, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Loudspeaker

    • Patent number 6,069,965
    • Issue date May 30, 2000
    • Matsushita Electric Industrial Co., Ltd.
    • Hiroyuki Takewa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE