Xin Qu

Follow

Person

Beijing, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Optical anti-counterfeiting element, product using same and prepara...
- Patent number 10,155,408
- Issue date Dec 18, 2018
- ZHONGCHAO SPECIAL SECURITY TECHNOLOGY CO., LTD.
- Kai Sun
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL ANTI-COUNTERFEITING ELEMENT AND ANTI-COUNTERFEITING PRODUCT
- Publication number 20220134793
- Publication date May 5, 2022
- ZHONGCHAO SPECIAL SECURITY TECHNOLOGY CO., LTD.
- Xin Qu
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Application
OPTICAL ANTI-COUNTERFEITING ELEMENT, PRODUCT USING SAME AND PREPARA...
- Publication number 20150210106
- Publication date Jul 30, 2015
- ZHONGCHAO SPECIAL SECURITY TECHNOLOGY CO., LTD.
- Kai Sun
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER