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Zhaogu Cheng

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  • Shanghai, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Six-axis four-subdividing interferometer
    • Patent number 9,036,155
    • Issue date May 19, 2015
    • Shanghai Institute of Optics And Fine Mechanics, Chinese Academy of Sciences
    • Jianfang Chen
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Four-axis four-subdividing interferometer
    • Patent number 9,036,154
    • Issue date May 19, 2015
    • Shanghai Institute of Optics And Fine Mechanics, Chinese Academy of Sciences
    • Zhaogu Cheng
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents

  • Information Patent Application

    FOUR-AXIS FOUR-SUBDIVIDING INTERFEROMETER
    • Publication number 20140160489
    • Publication date Jun 12, 2014
    • SHANGHAI MICRO ELECTRONICS EQUIPMENT Co., LTD.
    • Zhaogu Cheng
    • G01 - MEASURING TESTING
  • Information Patent Application

    SIX-AXIS FOUR-SUBDIVIDING INTERFEROMETER
    • Publication number 20140125989
    • Publication date May 8, 2014
    • SHANGHAI MICRO ELECTRONICS EQUIPMENT Co., LTD.
    • Jianfang CHEN
    • G01 - MEASURING TESTING