Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11822062 | Ultra-short focus projecting optical system and projection device | Yuancai Li, Shoulin Li, Hao Wang | 2023-11-21 |
| 11561462 | Optical system and projection device | Jianhua Li | 2023-01-24 |