Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12390672 | Respirator | Xiaojin HAN, Hongbing Xiang, Licong DUAN, Wei Shi | 2025-08-19 |
| D966433 | Robot | — | 2022-10-11 |
| 10365703 | Power management | Chang Wan Ha, Jong Kang | 2019-07-30 |
| 9880609 | Power management | Chang Wan Ha, Jong Kang | 2018-01-30 |
| 9417685 | Power management | Chang Wan Ha, Jong Kang | 2016-08-16 |