Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1073785 | Electric guitar | — | 2025-05-06 |
| D1016133 | Guitar | Rong Zhang | 2024-02-27 |
| D876193 | Electric screwdriver | — | 2020-02-25 |
| D859118 | Roller tool | — | 2019-09-10 |
| D848738 | Tool box | — | 2019-05-21 |
| D844986 | Tool box | — | 2019-04-09 |
| D839867 | Stand for mobile phone | — | 2019-02-05 |
| 9960666 | Four-port power electronic transformer based on hybrid modular multilevel converter | Dongye Li, Zhendong Ji, Yichao Sun | 2018-05-01 |
| 9755696 | Method, based on composite modulation, of data transmission between power electronic devices without communication line | Zhendong Ji, Wei Liu, Yichao Sun | 2017-09-05 |