Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12264094 | Method for chromium removal from post-tanning wastewater | Jianfei ZHOU, Liming Zhao, Yuling TANG | 2025-04-01 |
| 12129524 | Chrome-free tanning process of ecological leather | Yanan Wang, Yue Yu, Jianfei ZHOU, Yunhang Zeng, Wenhua Zhang | 2024-10-29 |
| 11834724 | Light-colored polycarboxylated polysaccharide tanning agent, and preparation method and use thereof | Yue Yu, Yanan Wang, Xueru Guo, Jianfei ZHOU, Yunhang Zeng +2 more | 2023-12-05 |
| 11739390 | Tanning agent-free leather making method | Xin Huang, Yawen HUANG | 2023-08-29 |
| 11674007 | Modified collagen fiber, and preparation method and application | Shuangyang LI, Jianfei ZHOU, Weixing Xu | 2023-06-13 |
| 9554106 | Projector and method for controlling projector | Takahiro Sagawa | 2017-01-24 |