Chi Hang YU

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Hong Kong, CN

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Patents Applicationslast 30 patents

Information Patent Application
PROTECTIVE MASKS MADE WITH POLYMER-BASED MATERIALS
- Publication number 20240150937
- Publication date May 9, 2024
- NANOSHIELDS TECHNOLOGY LIMITED
- Siu Wah WONG
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
LAMINATED FABRIC STRUCTURE AND METHOD FOR FABRICATING THE SAME
- Publication number 20220281208
- Publication date Sep 8, 2022
- NANO AND ADVANCED MATERIALS INSTITUTE LIMITED
- Yu Hang LEUNG
- B32 - LAYERED PRODUCTS