Weiqian Yi

Follow

Person

Xiangtan, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Antique identification method
- Patent number 9,086,344
- Issue date Jul 21, 2015
- Weiqian Yi
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
ANTIQUE IDENTIFICATION METHOD
- Publication number 20140233018
- Publication date Aug 21, 2014
- Weiqian Yi
- G02 - OPTICS
Information Patent Application
YI'S 4-IN-1 ANTIQUE IDENTIFICATION METHOD
- Publication number 20130050682
- Publication date Feb 28, 2013
- International Art & Antiques Research Association, Inc
- Weiqian Yi
- G01 - MEASURING TESTING