TREA

Yoshinobu Kajikawa

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  • Suita-city Osaka, JP
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    ACTIVE NOISE CONTROL SYSTEM
    • Publication number 20250061878
    • Publication date Feb 20, 2025
    • NITTO DENKO CORPORATION
    • Kohei OTO
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    ACTIVE NOISE CONTROL SYSTEM
    • Publication number 20230360627
    • Publication date Nov 9, 2023
    • NITTO DENKO CORPORATION
    • Kohei OTO
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    ACTIVE NOISE CONTROL SYSTEM
    • Publication number 20220223136
    • Publication date Jul 14, 2022
    • NITTO DENKO CORPORATION
    • Kohei OTO
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    ACTIVE NOISE CONTROL SYSTEM
    • Publication number 20220046358
    • Publication date Feb 10, 2022
    • ALPS ALPINE CO., LTD.
    • Ryosuke Tachi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    IN-VEHICLE COMMUNICATION SUPPORT SYSTEM
    • Publication number 20220005451
    • Publication date Jan 6, 2022
    • ALPS ALPINE CO., LTD.
    • Ryosuke Tachi
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    IN-VEHICLE COMMUNICATION SUPPORT SYSTEM
    • Publication number 20220005452
    • Publication date Jan 6, 2022
    • ALPS ALPINE CO., LTD.
    • Ryosuke Tachi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ACTIVE NOISE CONTROL SYSTEM
    • Publication number 20220005453
    • Publication date Jan 6, 2022
    • ALPS ALPINE CO., LTD.
    • Ryosuke Tachi
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    ACTIVE NOISE CONTROL SYSTEM
    • Publication number 20220005450
    • Publication date Jan 6, 2022
    • ALPS ALPINE CO., LTD.
    • Ryosuke Tachi
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    ACTIVE NOISE CONTROL SYSTEM
    • Publication number 20220007109
    • Publication date Jan 6, 2022
    • ALPS ALPINE CO., LTD.
    • Ryosuke Tachi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    ACTIVE NOISE CONTROL SYSTEM
    • Publication number 20200372892
    • Publication date Nov 26, 2020
    • ALPINE ELECTRONICS, INC.
    • Ryosuke Tachi
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    ACTIVE NOISE CONTROL SYSTEM, SETTING METHOD OF ACTIVE NOISE CONTROL...
    • Publication number 20200211526
    • Publication date Jul 2, 2020
    • ALPINE ELECTRONICS, INC.
    • Ryosuke Tachi
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    ACTIVE NOISE CONTROL SYSTEM AND ON-VEHICLE AUDIO SYSTEM
    • Publication number 20200020315
    • Publication date Jan 16, 2020
    • ALPINE ELECTRONICS, INC.
    • Ryosuke Tachi
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS