TREA

Toshihiko Tanaka

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  • Saitama-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    High-frequency switch circuit
    • Patent number 7,171,234
    • Issue date Jan 30, 2007
    • Marino-Forum21
    • Shigeru Kemmochi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    High-frequency switch circuit
    • Patent number 7,130,655
    • Issue date Oct 31, 2006
    • Marino-Forum 21
    • Shigeru Kemmochi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    High-frequency switch module
    • Patent number 6,987,984
    • Issue date Jan 17, 2006
    • Hitachi Metals, Ltd.
    • Shigeru Kemmochi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Multilayered frequency separator
    • Patent number 5,880,649
    • Issue date Mar 9, 1999
    • Hitachi Metals Ltd.
    • Hiroyuki Tai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Magnetic core
    • Patent number 5,815,062
    • Issue date Sep 29, 1998
    • Hitachi Metal, Ltd.
    • Norikazu Koyuhara
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    High-frequency switch circuit
    • Publication number 20050221768
    • Publication date Oct 6, 2005
    • HITACHI METALS, LTD
    • Shigeru Kemmochi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    High-frequency switch circuit
    • Publication number 20050221769
    • Publication date Oct 6, 2005
    • HITACHI METALS, LTD
    • Shigeru Kemmochi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE