Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8771465 | Raw Paper | Hongfa Li, Mingxin Song, Jianmin Wang, Yanjin Bi, Zhongcheng He | 2014-07-08 |
| 8303772 | Method for preparing a grass-type unbleached paper product | Hongfa Li, Mingxin Song, Jihui Yang, Yanjin Bi | 2012-11-06 |