QingFeng LIU

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Xi'an, CN

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Patents Grantslast 30 patents

Information Patent Grant
Electrostatically driven comb structure of MEMS, micro-mirror using...
- Patent number 12,054,387
- Issue date Aug 6, 2024
- Tao Yang
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Grant
Automatic welding system and method for large structural parts base...
- Patent number 11,951,575
- Issue date Apr 9, 2024
- Tao Yang
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
ELECTROSTATICALLY DRIVEN COMB STRUCTURE OF MEMS, MICRO-MIRROR USING...
- Publication number 20240270568
- Publication date Aug 15, 2024
- XI'AN CHISHINE OPTOELECTRONICS TECHNOLOGY CO., LTD
- Tao YANG
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Application
Automatic Welding System and Method for Large Structural Parts Base...
- Publication number 20230390853
- Publication date Dec 7, 2023
- XI'AN CHISHINE OPTOELECTRONICS TECHNOLOGY CO., LTD
- Tao YANG
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR