Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11305345 | Method for preparing neodymium-iron-boron permanent magnetic material | Liangcheng Sun, Zhanfeng Yang, Zhihong Zhang, Xiaoyu Liu, Shufeng Liu +13 more | 2022-04-19 |
| 5960387 | Method and apparatus for compressing and decompressing a voice message in a voice messaging system | Robert A. Rapp, Stephen Michael Papa, John X.J. Zhang | 1999-09-28 |