Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12403716 | Optical anti-counterfeiting element and anti-counterfeiting product | Haibo Cui, Xiaoli Wang | 2025-09-02 |
| 12350951 | Optical anti-counterfeiting element and anti-counterfeiting product | Kai Sun, Weiwei Zhang, Jun Zhu | 2025-07-08 |
| 12233658 | Multi-plating-layer optical anti-counterfeiting element and manufacturing method thereof | Chunhua Hu, Weiwei Zhang, Jun Zhu | 2025-02-25 |
| 11981157 | Optical anti-counterfeiting element and optical anti-counterfeiting product using the same | Kai Sun, Jun Zhu, Xiaoli Wang | 2024-05-14 |
| 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 |