Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12419679 | Plasma surgical electrode and instrument | Chengdong He, Zhengguo Cao, Zejun Li | 2025-09-23 |
| 12311474 | Field girth welding technology for high manganese steel slurry pipelines | Andrew J. Wasson, Timothy D. Anderson, Douglas P. Fairchild, HyunWoo Jin, Ning Ma +4 more | 2025-05-27 |
| 12300460 | Power adjustment method of upper electrode power supply and semiconductor process apparatus | Jing Wei, Yu Zhang, Gang Wei, Jing Yang, Guibin Wang | 2025-05-13 |
| 12231798 | Sub-ranging programmable gain amplifier | Dexue Zhang, Jiaju Ma | 2025-02-18 |
| 11714446 | Low noise bandgap circuit | — | 2023-08-01 |
| 11606525 | Sub-ranging programmable gain amplifier | Dexue Zhang, Jiaju Ma | 2023-03-14 |
| 11439373 | Endoscopic reusable surgical device | Encheng Hu, Xiaolin Sang | 2022-09-13 |
| 11365142 | Biological filler comprising 1,5-dihydroxyanthraquinone and thiobacillus denitrificans population and method of using the same for nitrogen removal from wastewater | Zaixing Li, Yanfang Liu, Xiaoshuai Liu, Jianwei Lyu, Yongtao Lyu +2 more | 2022-06-21 |
| 11130204 | Field dissimilar metal welding technology for enhanced wear resistant high manganese steel | Andrew J. Wasson, Douglas P. Fairchild, HyunWoo Jin, IlWook Han, Sangchul Lee +2 more | 2021-09-28 |
| 11116514 | Surgical clip applier with user feedback feature | Xiaolin Sang, Encheng Hu | 2021-09-14 |
| 10493569 | Field girth welding technology for high manganese steel slurry pipelines | Andrew J. Wasson, Timothy D. Anderson, Douglas P. Fairchild, HyunWoo Jin, Ning Ma +4 more | 2019-12-03 |