TREA

Ken?apos;ichiro Takahashi

Follow

Person

  • Yokohama-shi, JP
People

Patents Applicationslast 30 patents

  • Information Patent Application

    Optical waveguide device
    • Publication number 20040052458
    • Publication date Mar 18, 2004
    • Sumitomo Electric Industries, Ltd.
    • Mitsuaki Tamura
    • G02 - OPTICS
  • Information Patent Application

    Optical device
    • Publication number 20020003927
    • Publication date Jan 10, 2002
    • SUMITOMO ELECTRIC INDUSTRIES, LTD.
    • Mitsuaki Tamura
    • G02 - OPTICS