TREA

Katsunari Fujita

Follow

Person

  • Shandong, CN
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Electroacoustic transducing device
    • Patent number 9,055,359
    • Issue date Jun 9, 2015
    • Hosiden Corporation
    • Tomohiko Kamimura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Electroacoustic transducing device
    • Patent number 8,155,374
    • Issue date Apr 10, 2012
    • Hosiden Corporation
    • Hideo Yuasa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTROACOUSTIC TRANSDUCING DEVICE
    • Publication number 20110123061
    • Publication date May 26, 2011
    • HOSIDEN CORPORATION
    • Tomohiko Kamimura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Electroacoustic tranducing device
    • Publication number 20090285440
    • Publication date Nov 19, 2009
    • HOSIDEN CORPORATION
    • Hideo Yuasa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Electroacoustic transducing device
    • Publication number 20090285439
    • Publication date Nov 19, 2009
    • HOSIDEN CORPORATION
    • Hideo Yuasa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE