TREA

Hiroyuki IJIRI

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  • Tokyo, JP
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Patents Applicationslast 30 patents

  • Information Patent Application

    PIEZOELECTRIC ELEMENT
    • Publication number 20230320225
    • Publication date Oct 5, 2023
    • TDK Corporation
    • Hiroki MITSUI
  • Information Patent Application

    ULTRASONIC TRANSDUCER
    • Publication number 20220288637
    • Publication date Sep 15, 2022
    • TDK Corporation
    • Yoshiki OHTA
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL