Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9654115 | Phase-locked loop circuit, data recovery circuit, and control method for phase-locked loop circuit | Bingzhao Zhang | 2017-05-16 |
| 9540881 | Method and system for improving drilling speed by using drill speed vibration | Zhichuan Guan, Wenzhong Wei, Ben Guan, Yucai Shi, Hongning Zhang | 2017-01-10 |