Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11201565 | Conversion circuit, control method, and power supply device | Lei Shi, Dianbo Fu | 2021-12-14 |
| 11025248 | Hybrid power devices | Dianbo Fu, Jun Zhang, Lei Shi | 2021-06-01 |
| 10903758 | Hybrid multilevel inverters with reduced voltage stress | Dianbo Fu, Lei Shi | 2021-01-26 |
| 10230364 | Hybrid power devices | Dianbo Fu, Jun Zhang, Lei Shi | 2019-03-12 |
| 9902890 | Drilling fluid additive composition suitable for coal-bed gas wells, and water-based drilling fluid and use thereof | Guancheng Jiang, Yinbo He, Chong Liu, Qingying Ge, Lili Yang +7 more | 2018-02-27 |
| 9890318 | Drilling fluid additive composition and water-based drilling fluid suitable for high-pressure plugging | Guancheng Jiang, Chong Liu, Yinbo He, Qingying Ge, Lili Yang +10 more | 2018-02-13 |