Lok Hang KEUNG

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Hong Kong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Fabrication of mirror-like coatings
- Patent number 10,280,514
- Issue date May 7, 2019
- S.T. Trading Company Limited
- Jianying Miao
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
PHOTOCATALYST AND METHOD FOR FABRICATING THE SAME
- Publication number 20220339615
- Publication date Oct 27, 2022
- NANO AND ADVANCED MATERIALS INSTITUTE LIMITED
- Lok Hang KEUNG
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
MULTI-FUNCTIONAL PLASMA DRIVEN CATALYST SYSTEM
- Publication number 20220118150
- Publication date Apr 21, 2022
- NANO AND ADVANCED MATERIALS INSTITUTE LIMITED
- Lok Hang KEUNG
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
PERSONAL AIR PURIFIER
- Publication number 20220111234
- Publication date Apr 14, 2022
- Global Rise Enterprises Limited
- Lok Hang KEUNG
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
SELECTIVE ANTI-TARNISH COATING
- Publication number 20220081573
- Publication date Mar 17, 2022
- NANO AND ADVANCED MATERIALS INSTITUTE LIMITED
- King Ho SO
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
FABRICATION OF MIRROR-LIKE COATINGS
- Publication number 20160047051
- Publication date Feb 18, 2016
- S.T. Trading Company Limited
- Jianying MIAO
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...