Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12420265 | Cerium-tin-based composite oxide catalyst for catalyzing purification of nitrogen oxide, preparation method and application thereof | Hong He, Jingjing Liu, Wenpo Shan, Xiaoyan Shi, Yulong Shan | 2025-09-23 |
| 8929805 | System, method, and device for radio frequency communication | Shan Zhu, Xikui Li, Zhiqin Hao, Yan Lu, Jianhua Liang | 2015-01-06 |
| 8630584 | RF SIM card, card reader, and communication method | Aimin Shen, Shan Zhu, Li Ouyang, Meixiang Li, Weixi Luo | 2014-01-14 |
| 8061625 | Radio frequency IC card device with very high frequency | Shan Zhu | 2011-11-22 |
| 8002196 | Radio frequency IC card device with very high frequency | Shan Zhu | 2011-08-23 |