Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11179822 | Polyurethane polishing layer, polishing pad comprising polishing layer, method for preparing polishing layer and method for planarizing material | Yijie Luo, Min Liu, Jiping Zhang, Liyuan CHE | 2021-11-23 |
| 10414025 | Weather-resistant polishing pad | Lili Mei, Yunfeng Li | 2019-09-17 |
| 9012121 | Colored toner and method for preparing the same | Guilin Xiao | 2015-04-21 |
| 8822119 | Bicomponent developing agent | Yubin Wang | 2014-09-02 |
| 8445651 | Method for producing charge control agent and toner | Yubin Wang | 2013-05-21 |
| 7943688 | Charge control agent and toner comprising the same | Delian Yi, Lin Wu | 2011-05-17 |