TREA

Katsumi Harada

Follow

Person

  • Shinagawa, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Key switch and keyboard
    • Patent number 6,618,239
    • Issue date Sep 9, 2003
    • Fujitsu Limited
    • Kouki Takahashi
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Key switch and keyboard
    • Publication number 20020185364
    • Publication date Dec 12, 2002
    • Kouki Takahashi
    • H01 - BASIC ELECTRIC ELEMENTS