Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11805490 | Time measurement method and apparatus | Zixiang Ma | 2023-10-31 |
| 11512892 | Refrigerator | Xiangfan Guo | 2022-11-29 |
| 10627154 | Refrigerator | Jinghui Chen, Xiangfan Guo, Wuba Lei | 2020-04-21 |