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Hirofumi Onohara

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Patents Grantslast 30 patents

  • Information Patent Grant

    Super magnetostriction speaker
    • Patent number 8,126,169
    • Issue date Feb 28, 2012
    • Foster Electric Company
    • Hirofumi Onohara
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Super Magnetostriction Speaker
    • Publication number 20080205674
    • Publication date Aug 28, 2008
    • Hirofumi Onohara
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE