Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11333606 | Apparatus and method for visually inspecting gemstones | Jiangquan Mai, Fangyi Shi | 2022-05-17 |
| 10830641 | Compact spectrometer having reflective wedge structure | Jiangquan Mai, Siddharth Agrawal, Chun-Xia Zhang | 2020-11-10 |