Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10421308 | Optical anti-counterfeiting component and optical anti-counterfeiting product | Kai Sun, Weiwei Zhang | 2019-09-24 |
| 10308062 | Optical anti-counterfeiting element and optical anti-counterfeiting product utilizing the same | Jun Zhu, Zhongdong Ye, Chunhua Hu, Xinyi Li | 2019-06-04 |