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Weijian DAI

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  • Hangzhou, CN
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Patents Applicationslast 30 patents

  • Information Patent Application

    MULTIPLE CLIP APPLIER
    • Publication number 20220211384
    • Publication date Jul 7, 2022
    • HANGZHOU SUNSTONE TECHNOLOGY CO., LTD.
    • Lei SHI
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    DISASSEMBLY-AND-ASSEMBLY-FREE FLUSHABLE CLAMP APPLIER
    • Publication number 20210322021
    • Publication date Oct 21, 2021
    • HANGZHOU SUNSTONE TECHNOLOGY CO., LTD.
    • Lei Shi
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    DEGRADABLE INTESTINAL DIVERSION DEVICE
    • Publication number 20210059676
    • Publication date Mar 4, 2021
    • Zhejiang University
    • Xiujun CAI
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...