Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1026084 | Guitar neck | — | 2024-05-07 |
| 11849272 | Neckband headset, start up method, system, apparatus, and computer medium | Xuyang Liu, Zengkai Yao, Kun Song | 2023-12-19 |
| 10394655 | Method for detecting abnormal application and mobile terminal | Shanglun Ding, Kangzong Zhang, Chao Xiao | 2019-08-27 |
| 7226255 | Five-simultaneously-working-axis computerized numerical controlled tooth cutting machine tool for plane enveloping toroidal worms | Lin Qi | 2007-06-05 |
| 7044691 | Forming method for milling threads of variable tooth worms | Lin Qi | 2006-05-16 |
| 6176148 | Variable tooth worm | Lin Qi | 2001-01-23 |