Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11008860 | Equipment system for no-roadway no-coal-pillar retained roadway mining method | Manchao He, Jun Yang, Shangyuan Chen | 2021-05-18 |
| 9239395 | Method and system of determining earthquake parameters, earthquake search engine | Jie Zhang, Enhong Chen, Yi Zheng, Wenhuan Kuang | 2016-01-19 |
| 9036253 | Photonic devices based on vertical-cavity semiconductor optical amplifiers | Sadik C. Esener, Pengyue Wen, Matthias Gross | 2015-05-19 |
| 8418526 | System and method for testing gas migration process in coal-rock mass | Manchao He, Chunguang Wang, Dejian Li | 2013-04-16 |
| 7396545 | Preparation for cardio-cerebral blood vessel diseases and its preparing method | Yiyu Cheng, Zhengliang Ye | 2008-07-08 |