Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11502859 | Method and apparatus for waking up via speech | Sheng Ji, Weiwei Fang, Dan Wang, Saisai ZOU, Mushui XU | 2022-11-15 |
| 10500017 | Method and apparatus for tooth body automatic preparation by digital controlled laser light and tooth retainer | Peijun Lv, Yong Wang, Yuchun Sun, Dangxiao Wang, Wenqi Ge +9 more | 2019-12-10 |
| 7033247 | Electric sharpener | Ross Zhang | 2006-04-25 |