TREA

Kazumasa Yamamoto

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  • Fukuoka-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Position coordinate input device
    • Patent number 4,558,757
    • Issue date Dec 17, 1985
    • Matsushita Electric Industrial Co., Ltd.
    • Yoshihiro Mori
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Diaphragm for loudspeaker
    • Patent number 4,487,877
    • Issue date Dec 11, 1984
    • Matsushita Electric Industrial Co., Ltd.
    • Takashi Takeda
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Cordless telephone set
    • Publication number 20060089178
    • Publication date Apr 27, 2006
    • Matsushita Electric Industrial Co., Ltd.
    • Tohru Sakata
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE