Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11781968 | Device for cigarette tipping paper anti-adhesion test and its application method | Ruizhi Zhu, Ji Yang, Zhijiang Yin, Zhihua Liu, Kai Wang +5 more | 2023-10-10 |
| 11591496 | Non-sticking tipping paper, preparation method and application method of the same | Ji Yang, Zhihua Liu, Ruizhi Zhu, Chunbo Liu, Nengjun XIANG +8 more | 2023-02-28 |