Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D964822 | Grinder | — | 2022-09-27 |
| 11397340 | Heating electrode for lowering stress of light waveguide and VOA thereof | Weidong Ma, Ding-Fang Li | 2022-07-26 |
| 11243087 | Device and method for providing content to user | Weimin Liu, Qingli Zhang | 2022-02-08 |