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Masahiko Moriguchi

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  • Tottori-shi, JP
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Patents Applicationslast 30 patents

  • Information Patent Application

    Microphone utilizing optical signal
    • Publication number 20020121016
    • Publication date Sep 5, 2002
    • Masahiko Moriguchi
    • G02 - OPTICS
  • Information Patent Application

    Microphone (P507)
    • Publication number 20020080986
    • Publication date Jun 27, 2002
    • PHONE-OR, LTD.
    • Alexander Paritsky
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Microphone
    • Publication number 20020051553
    • Publication date May 2, 2002
    • Masahiko Moriguchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Optical microphone
    • Publication number 20020021813
    • Publication date Feb 21, 2002
    • Masahiko Moriguchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE