Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10844945 | Ring gear and gear device | Jing Ning Ta, Xing Yi, Qiu Mei Li | 2020-11-24 |
| 10480619 | Ring gear, gear device and mold for manufacturing the ring gear | Jing Ning Ta, Xing Yi, Qiu Mei Li | 2019-11-19 |