TREA

SDK Company Limited

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Organization

  • Tokyo, JP
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Double wire cord and portable audio device using the same
    • Patent number 7,348,490
    • Issue date Mar 25, 2008
    • SDK Company
    • Kiyotaka Sakai
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Pin plug
    • Patent number 5,312,271
    • Issue date May 17, 1994
    • SDK Company, Ltd.
    • Hiroichi Matsumoto
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    CORD
    • Publication number 20100307789
    • Publication date Dec 9, 2010
    • SDK Company Limited
    • Kiyotaka Sakai
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Double wire cord and portable audio device using the same
    • Publication number 20070277995
    • Publication date Dec 6, 2007
    • SDK Company Limited
    • Kiyotaka Sakai
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE