TENGFEI YAO

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SHENZHEN, CN

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Patents Applicationslast 30 patents

Information Patent Application
GRADED-INDEX POLYMER WAVEGUIDE AND MANUFACTURING METHOD THEREOF
- Publication number 20230084877
- Publication date Mar 16, 2023
- SHENNAN CIRCUITS CO.,LTD.
- XIAOFENG LIU
- G02 - OPTICS
Information Patent Application
FLEXIBLE OPTICAL WAVEGUIDE BOARD AND METHOD FOR MANUFACTURING THE SAME
- Publication number 20220381983
- Publication date Dec 1, 2022
- SHENNAN CIRCUITS CO., LTD.
- XIAOFENG LIU
- G02 - OPTICS
Information Patent Application
OPTICAL FIBER CIRCUIT BOARD, MULTILAYER OPTICAL FIBER CIRCUIT BOARD...
- Publication number 20210096312
- Publication date Apr 1, 2021
- SHENNAN CIRCUITS CO., LTD.
- GUODONG WANG
- G02 - OPTICS