TREA

Raiju Okada

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Spectrometer
    • Patent number 6,999,169
    • Issue date Feb 14, 2006
    • Yokogawa Electric Corporation
    • Yoshihiro Sanpei
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Spectrometer and optical spectrum analyzer
    • Patent number 6,885,447
    • Issue date Apr 26, 2005
    • Yokogawa Electric Corporation
    • Yasuyuki Suzuki
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents

  • Information Patent Application

    Spectrometer and optical spectrum analyzer
    • Publication number 20040075831
    • Publication date Apr 22, 2004
    • YOKOGAWA ELECTRIC CORPORATION
    • Yasuyuki Suzuki
    • G01 - MEASURING TESTING
  • Information Patent Application

    Spectrometer
    • Publication number 20030128359
    • Publication date Jul 10, 2003
    • YOKOGAWA ELECTRIC CORPORATION
    • Yoshihiro Sanpei
    • G01 - MEASURING TESTING