Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D981723 | Electric toothbrush head | Huajie He, Shuai Yuan | 2023-03-28 |
| 11580868 | AR-based supplementary teaching system for guzheng and method thereof | Zheng Liu, Yun Wang, Huijun HU, Donghong Zhou | 2023-02-14 |
| D935193 | Electric toothbrush head | Huajie He | 2021-11-09 |
| D935188 | Electric toothbrush head | Huajie He | 2021-11-09 |
| D935189 | Electric toothbrush head | Huajie He | 2021-11-09 |
| D935190 | Electric toothbrush head | Huajie He | 2021-11-09 |
| D935191 | Electric toothbrush head | Huajie He | 2021-11-09 |
| D935192 | Electric toothbrush head | Huajie He | 2021-11-09 |
| D933961 | Electric toothbrush | — | 2021-10-26 |
| D933962 | Electric toothbrush head | — | 2021-10-26 |
| D933963 | Electric toothbrush head | — | 2021-10-26 |
| D933964 | Electric toothbrush head | — | 2021-10-26 |
| D908208 | Oral irrigator | — | 2021-01-19 |