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Hironao Ishizaki

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  • Saitama-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Voice recorder
    • Patent number 10,382,867
    • Issue date Aug 13, 2019
    • TEAC Corporation
    • Hironao Ishizaki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    XY-type microphone unit and sound recording apparatus
    • Patent number 9,900,693
    • Issue date Feb 20, 2018
    • TEAC Corporation
    • Hironao Ishizaki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Stereo microphone device
    • Patent number 9,729,962
    • Issue date Aug 8, 2017
    • TEAC Corporation
    • Hironao Ishizaki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Stereo microphone device
    • Patent number 9,584,916
    • Issue date Feb 28, 2017
    • TEAC Corporation
    • Hironao Ishizaki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    VOICE RECORDER
    • Publication number 20180262838
    • Publication date Sep 13, 2018
    • TEAC CORPORATION
    • Hironao ISHIZAKI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    XY-TYPE MICROPHONE UNIT AND SOUND RECORDING APPARATUS
    • Publication number 20170289685
    • Publication date Oct 5, 2017
    • TEAC CORPORATION
    • Hironao Ishizaki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    STEREO MICROPHONE DEVICE
    • Publication number 20130108059
    • Publication date May 2, 2013
    • TEAC CORPORATION
    • Hironao Ishizaki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    STEREO MICROPHONE DEVICE
    • Publication number 20130108060
    • Publication date May 2, 2013
    • TEAC CORPORATION
    • Hironao Ishizaki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE