Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11927584 | Water hardness detection probe, sensor, detection method and water softener | Min Guo, Guoping Li | 2024-03-12 |
| 10389228 | Power supply circuit with surge-supression | Ying-Wei Li | 2019-08-20 |