Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10743879 | Electric surgical stapler | Hui Zhang, Yunfeng Du, Dianchen Liu | 2020-08-18 |
| 10695056 | Electric surgical stapler | Hui Zhang, Yunfeng Du, Dianchen Liu | 2020-06-30 |
| 10595865 | Electric surgical stapler | Hui Zhang, Yunfeng Du, Dianchen Liu | 2020-03-24 |
| 9283567 | Shredder with jam proof system | Jin Hu, Qingcheng Cai, Michael Dale Jensen | 2016-03-15 |
| 8091809 | Shredder with jam proof system | Jin Hu, Qingcheng Cai, Michael Dale Jensen | 2012-01-10 |