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Kazuaki WATANABE

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  • Yamagata, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Speaker device
    • Patent number 11,617,032
    • Issue date Mar 28, 2023
    • Pioneer Corporation
    • Kazuaki Watanabe
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker device
    • Patent number 10,932,025
    • Issue date Feb 23, 2021
    • Pioneer Corporation
    • Kazuaki Watanabe
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker device
    • Patent number 10,560,770
    • Issue date Feb 11, 2020
    • Pioneer Corporation
    • Kazuaki Watanabe
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker device
    • Patent number 10,231,042
    • Issue date Mar 12, 2019
    • Pioneer Corporation
    • Kazuaki Watanabe
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Approaching vehicle warning speaker device
    • Patent number 9,868,392
    • Issue date Jan 16, 2018
    • Pioneer Corporation
    • Kazuaki Watanabe
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Speaker device
    • Patent number 9,451,344
    • Issue date Sep 20, 2016
    • Pioneer Corporation
    • Kazuaki Watanabe
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker device
    • Patent number 8,638,976
    • Issue date Jan 28, 2014
    • Pioneer Corporation
    • Kazuaki Watanabe
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    SPEAKER DEVICE
    • Publication number 20240022845
    • Publication date Jan 18, 2024
    • PIONEER CORPORATION
    • Kazuaki Watanabe
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER DEVICE
    • Publication number 20210168480
    • Publication date Jun 3, 2021
    • PIONEER CORPORATION
    • Kazuaki Watanabe
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER DEVICE
    • Publication number 20200112781
    • Publication date Apr 9, 2020
    • PIONEER CORPORATION
    • Kazuaki Watanabe
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER DEVICE
    • Publication number 20170374439
    • Publication date Dec 28, 2017
    • Pioneer Corporation
    • Kazuaki WATANABE
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    APPROACHING VEHICLE WARNING SPEAKER DEVICE
    • Publication number 20170111744
    • Publication date Apr 20, 2017
    • Pioneer Corporation
    • Kazuaki WATANABE
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    APPROACHING VEHICLE WARNING SPEAKER DEVICE
    • Publication number 20170101053
    • Publication date Apr 13, 2017
    • Pioneer Corporation
    • Kazuaki WATANABE
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    SPEAKER DEVICE
    • Publication number 20160360305
    • Publication date Dec 8, 2016
    • PIONEER CORPORATION
    • Kazuaki Watanabe
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER DEVICE
    • Publication number 20140105427
    • Publication date Apr 17, 2014
    • Tohoku Pioneer Corporation
    • Kazuaki Watanabe
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER DEVICE
    • Publication number 20100203918
    • Publication date Aug 12, 2010
    • Pioneer Corporation
    • Kazuaki Watanabe
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Speaker and manufacturing method
    • Publication number 20080002850
    • Publication date Jan 3, 2008
    • PIONEER CORPORATION
    • Kazuaki Watanabe
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE