Lanxin Dong

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Anti-counterfeit film with an amphichroic pattern and a preparation...
- Patent number 8,632,849
- Issue date Jan 21, 2014
- Shanghai Techsun Anti-Counterfeiting Technology Holding Co., Ltd.
- Liangheng Xu
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
MICRO-OPTICAL DEVICE DOUBLE-SIDED IMAGING, PREPARATION METHOD THERE...
- Publication number 20180111405
- Publication date Apr 26, 2018
- Shanghai Techsun Packing Materials Co., Ltd.
- Liangheng Xu
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Application
ANTI-COUNTERFEIT FILM WITH AN AMPHICHROIC PATTERN AND A PREPARATION...
- Publication number 20110256351
- Publication date Oct 20, 2011
- Shanghai Fudan Techsun New Technology Co., Ltd.
- Liangheng Xu
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...