Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11628879 | Power transmission device of steering system | Seok Ki Song, Jong Han Kim | 2023-04-18 |
| 10717466 | Rack bar supporting device of steering apparatus for vehicle | — | 2020-07-21 |
| 10018236 | Attachable high-Mn steel brake disk | Kwang Soo Park, Sook Hwan Kim | 2018-07-10 |
| 9731749 | Power steering apparatus of vehicle | Byung-yun Choi | 2017-08-15 |
| 8429991 | Rack bush and rack pinion type steering apparatus having rack bush for vehicle | Sung-moo Heo, Byung-yun Choi | 2013-04-30 |