Wing Chiu LIU

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Hong Kong, CN

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Patents Grantslast 30 patents

Information Patent Grant
System, apparatus and method for viewing a gemstone
- Patent number 10,184,896
- Issue date Jan 22, 2019
- GOLDWAY TECHNOLOGY LIMITED
- Wai Keung Yeung
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND PROCESS FOR IDENTIFICATION AND ILLUMINATION OF ANATOMICA...
- Publication number 20210289113
- Publication date Sep 16, 2021
- AI GASPAR LIMITED
- Wai Keung YEUNG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM, APPARATUS AND METHOD FOR VIEWING A GEMSTONE
- Publication number 20170307537
- Publication date Oct 26, 2017
- GOLDWAY TECHNOLOGY LIMITED
- Wai Keung YEUNG
- G01 - MEASURING TESTING