Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10059632 | Humic acid composition and application thereof | Hongfa Li, Mingxin Song, Liangjin Guo | 2018-08-28 |
| 9420745 | Corn stalk material, a method and apparatus for preparing it | Hongfa Li, Xinsheng Hua | 2016-08-23 |
| 8771465 | Raw Paper | Hongfa Li, Mingxin Song, Jianmin Wang, Jinxiang Xu, Zhongcheng He | 2014-07-08 |
| 8303772 | Method for preparing a grass-type unbleached paper product | Hongfa Li, Mingxin Song, Jihui Yang, Jinxiang Xu | 2012-11-06 |