Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12245791 | Multi-portal surgical systems, cannulas, and related technologies | Andy Wonyong Choi, Jeffrey Roh | 2025-03-11 |
| 12226319 | Multi-portal surgical systems | Andy Wonyong Choi, Jeffrey Roh | 2025-02-18 |
| 11950770 | Multi-portal split cannulas, endoscopic hemostatic dispensers and surgical tools | Andy Wonyong Choi | 2024-04-09 |
| 11678906 | Multi-portal surgical systems, cannulas, and related technologies | Andy Wonyong Choi, Jeffrey Roh | 2023-06-20 |
| 11464648 | Multi-portal surgical systems | Andy Wonyong Choi, Jeffrey Roh | 2022-10-11 |
| 9913670 | Rod inserter for fixing of pedicle screw, screw holder with joint for minimal invasive surgery, screw reducer for minimal invasive surgery and apparatus for minimal invasive surgery using these devices | Hyeun-Sung Kim, Hong Won Yoon | 2018-03-13 |