Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12071585 | Self-repairing plugging gel polymer for drilling fluid, preparation method and application thereof, and drilling fluid containing gel polymer | Lili Yang, Guancheng Jiang, Tian Ao, Dechang Kong, Kaixiao Cui | 2024-08-27 |
| 11578251 | Amphiphilic block polymer ultralow-permeability agent and intelligent temporary plugging type water-based drilling fluid | Yinbo He, Guancheng Jiang, Lili Yang, Tengfei Dong, Bin Tan +9 more | 2023-02-14 |
| 9093596 | Epitaxial wafer for light emitting diode, light emitting diode chip and methods for manufacturing the same | Dongming Huo, Hongpo Hu, Wang Zhang | 2015-07-28 |
| 8932892 | Epitaxiay wafer, method for manufacturing the same and method for manufacturing LED chip | Wang Zhang, Xilin Su, Hongpo Hu | 2015-01-13 |
| 8928006 | Substrate structure, method of forming the substrate structure and chip comprising the substrate structure | Xilin Su, Hongpo Hu, Wang Zhang | 2015-01-06 |
| 8859315 | Epitaxial wafer and manufacturing method thereof | Xilin Su, Hongpo Hu, Wang Zhang, Qiang Wang | 2014-10-14 |
| 8723188 | Light emitting diode and method for preparing the same | Xilin Su, Hongpo Hu, Wang Zhang | 2014-05-13 |
| 8324634 | Epitaxial wafer and manufacturing method thereof | Xilin Su, Hongpo Hu, Wang Zhang, Qiang Wang | 2012-12-04 |