Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12234551 | Carbon nanotube preparation system | Qingwen Li, Hehua Jin, DA-PENG LI, Zhi Li | 2025-02-25 |
| 11970355 | Collection device and preparation system | DA-PENG LI, Hehua Jin, Qingwen Li, Maolin LIU, Dianli Hu | 2024-04-30 |