Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9199307 | Method for preparing a tantalum powder | Guoqi Yang, Xifang Bao, Yong Li, Zhongxiang Li, Zhangong Dong +1 more | 2015-12-01 |
| 8673052 | Process for preparing tantalum powder for capacitors | Xueqing Chen, Yong Li, Xudong Xi, Tao Guo | 2014-03-18 |
| 7727508 | Process for preparing powder of niobium suboxides or niobium | Xudong Xi, Yong Li, Xueqing Chen, Wei Wang | 2010-06-01 |