Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9979217 | Electrical power supply apparatus having solar panel and battery | — | 2018-05-22 |
| 9348043 | Multi-coil multi-terminal closed-loop geophone accelerometer | Chunhua Gao, Du Chen | 2016-05-24 |
| 9238251 | Dual-coil geophone accelerometer | Ming Zhou, Biao Guo, Jiaen Song, Hailong Wang, Qiang Ma +1 more | 2016-01-19 |