YAO-TSUNG CHENG

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Miaoli County, TW

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Patents Applicationslast 30 patents

Information Patent Application
CONTACT LENS AND SILICONE HYDROGEL CONTACT LENS
- Publication number 20240384089
- Publication date Nov 21, 2024
- VIZIONFOCUS INC.
- WEI-HANG HSU
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
MANUFACTURING METHOD OF CONTACT LENSES
- Publication number 20220250343
- Publication date Aug 11, 2022
- VIZIONFOCUS INC.
- CHU-YI YU
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL