Issued Patents 2022
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11456726 | Gate driver circuit and multiphase intelligent power module | Chenglong Li, Yuan He, Yijie Hao, Guozhong Cao, Xubin Zhao | 2022-09-27 |
| 11351656 | Key clamp for key processing machines and a key processing machine | — | 2022-06-07 |
| 11344957 | Key processing machine | Junfeng Chen | 2022-05-31 |
| 11338375 | Portable manual vertical milling key duplicating machine | Yuan He, Yijie Hao, Chenglong Li, Guozhong Cao | 2022-05-24 |