TREA

Hiromi Yamada

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  • Shizuoka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electro-acoustic transducer
    • Patent number 7,403,631
    • Issue date Jul 22, 2008
    • Star Micronics Co., Ltd.
    • Norihiro Sawamoto
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Electro-acoustic transducer
    • Publication number 20050181659
    • Publication date Aug 18, 2005
    • STAR MICRONICS CO., LTD.
    • Norihiro Sawamoto
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE