TREA

Hirofumi MATSUO

Follow

Person

  • Nagasaki-shi, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Direct-current switch
    • Patent number 8,902,550
    • Issue date Dec 2, 2014
    • Fuji Electric Co., Ltd.
    • Hirofumi Matsuo
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    DIRECT-CURRENT SWITCH
    • Publication number 20120018404
    • Publication date Jan 26, 2012
    • Fuji Electric Co., Ltd.
    • Hirofumi MATSUO
    • H01 - BASIC ELECTRIC ELEMENTS