TREA

Guanjie CHENG

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  • Beijing, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vacuum heating device
    • Patent number 10,704,138
    • Issue date Jul 7, 2020
    • BOE Technology Group Co., Ltd.
    • Ruifeng Mao
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Magnetron-sputtering coating system and method, and display substrate
    • Patent number 9,934,948
    • Issue date Apr 3, 2018
    • BOE Technology Group Co., Ltd.
    • Xiaokun Wang
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

  • Information Patent Application

    VACUUM HEATING DEVICE
    • Publication number 20180142344
    • Publication date May 24, 2018
    • BOE TECHNOLOGY GROUP CO., LTD.
    • Ruifeng Mao
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    MAGNETRON-SPUTTERING COATING SYSTEM AND METHOD, AND DISPLAY SUBSTRATE
    • Publication number 20160186312
    • Publication date Jun 30, 2016
    • BOE TECHNOLOGY GROUP CO., LTD.
    • Xiaokun WANG
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...