GUOLIN YUAN

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SHANGHAI, CN

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Patents Grantslast 30 patents

Information Patent Grant
Anti-counterfeiting pattern having optically variable structure and...
- Patent number 10,919,334
- Issue date Feb 16, 2021
- CHINA BANKNOTE INK CO., LTD.
- Xing Zhang
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER

Patents Applicationslast 30 patents

Information Patent Application
ANTI-COUNTERFEITING PATTERN HAVING OPTICALLY VARIABLE STRUCTURE AND...
- Publication number 20190135018
- Publication date May 9, 2019
- CHINA BANKNOTE INK CO., LTD.
- XING ZHANG
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
ANTI-COUNTERFEITING PATTERN HAVING OPTICALLY VARIABLE STRUCTURE AND...
- Publication number 20160271995
- Publication date Sep 22, 2016
- CHINA BANKNOTE INK CO., LTD.
- XING ZHANG
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER