TREA

Changzheng Zhu

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  • Shanghai, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Singapore diamond preparation method
    • Patent number 12,018,362
    • Issue date Jun 25, 2024
    • Shanghai Zhengshi Technology Co., Ltd.
    • Weidong Man
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Multi-set clamping fixture for diamond machining
    • Patent number 11,207,798
    • Issue date Dec 28, 2021
    • Shanghai Zhengshi Technology Co., Ltd.
    • Weidong Man
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    DIAMOND AND PREPARATION METHOD AND APPLICATION THEREOF
    • Publication number 20220364224
    • Publication date Nov 17, 2022
    • SHANGHAI ZHENGSHI TECHNOLOGY CO., LTD.
    • Weidong MAN
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...