Issued Patents 2025
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12255440 | Semiconductor laser with a mode expansion layer | Ning Cheng, Xiang Liu | 2025-03-18 |
| 12199758 | Passive optical network (PON) frame design | Xiang Liu, Linlin Li, Huaiyu Zeng, Yuanqiu Luo | 2025-01-14 |