Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11839232 | Method for preparing tar extract having aromatic characteristics by using discarded cigarette butt, and use thereof in cigarette | Liqun Li, Yajun Ye, Junsong Zhang, Chen Chen, Chunsheng Guo +7 more | 2023-12-12 |
| 11762933 | Providing search results based on a compositional query | JinYu Lou, Chen Ding, Lijie Chen, Liang Hu, Kejia Liu +3 more | 2023-09-19 |