Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11391095 | Polycrystalline diamond compact and drilling bit | Qiang Liu, Guanfu Tu, Xiaobo Liu | 2022-07-19 |
| 9238944 | Tri-cone bit for high RPM drilling applications | Zengyuan Shao, Xiaobing Fan | 2016-01-19 |
| 8806206 | Cooperation method and system of hardware secure units, and application device | Xizhe Li, Wei Xie, Yun Gu, Xingzhong Mao, Chentao Yu | 2014-08-12 |
| 8468342 | Computer system and method for performing integrity detection on the same | Yi Zhang, Jian Zhou, Zhenxin Xi | 2013-06-18 |