Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12018929 | Non-contact key tooth profile learning method and system | Yongfeng Xi, Yuan He, Guozhong Cao, Chenglong Li, Hui LIU | 2024-06-25 |
| 11790626 | Method and apparatus for recognizing bitting code of key, and storage medium and image collection device | Yongfeng Xi, Yuan He, Guozhong Cao, Chenglong Li, Guoming Huang +1 more | 2023-10-17 |
| 11684982 | Key duplicating machine and its duplicating method | Yongfeng Xi, Yuan He | 2023-06-27 |
| 11660687 | Key duplicating machine's clamp bench and key duplicating machine | Yongfeng Xi, Yuan He, Chenglong Li, Guozhong Cao | 2023-05-30 |
| 11456726 | Gate driver circuit and multiphase intelligent power module | Yongfeng Xi, Chenglong Li, Yuan He, Guozhong Cao, Xubin Zhao | 2022-09-27 |
| 11338375 | Portable manual vertical milling key duplicating machine | Yongfeng Xi, Yuan He, Chenglong Li, Guozhong Cao | 2022-05-24 |
| 10864583 | Reset mechanism | Yongfeng Xi, Shiting Han, Yuan He, Guozhong Cao, Chenglong Li +1 more | 2020-12-15 |
| 10688568 | Key cutting machine and a fixture for key cutting machine | Yongfeng Xi, Shiting Han, Yuan He, Guozhong Cao, Chenglong Li +1 more | 2020-06-23 |