Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11382559 | Dental surface imaging apparatus using laser projection | Zhaohua Liu | 2022-07-12 |
| 11346218 | Guiding type miniature pipe-jacking construction method | Guanfeng An, Jingda Ouyang, Haibin Yu, Rong Zhang, Tianjun Liu +3 more | 2022-05-31 |
| 11088229 | Pixel driving circuit and manufacturing method thereof | Mingjun Liu | 2021-08-10 |
| 8571397 | Auto focus intraoral camera with liquid lens | Zhaohua Liu, Jiwu Zhang | 2013-10-29 |
| 8558207 | Photostimulable plate reading device | Amir Berger, Jean-Marc Inglese, Sergey Zaslavsky, Moshe Cohen-Erner | 2013-10-15 |
| 8305486 | Auto-focus intra-oral camera having a linear piezoelectric actuator | Yufeng Mo, Zhaohua Liu | 2012-11-06 |
| 5369311 | Clock generator control circuit | Andrew M. Volk | 1994-11-29 |