Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10502358 | Lock devices and support arms thereof and ultrasound imaging systems using the same | Yanqun Zhao, Zhiwu Chen, Dongsheng Liang | 2019-12-10 |
| 8430889 | Puncture needle holder | Junhua Zeng, Zhiwu Chen | 2013-04-30 |
| 7894183 | Shielded and insulated heat removing system | Guoying Chen, Guotao LIU, Xunhua Xiao | 2011-02-22 |