Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10082182 | Constant-velocity universal joint | Hyun-Il Lee, Jang Sun Lee, Dong Jin Kim | 2018-09-25 |
| 10018219 | Hollow drive shaft and method for manufacturing same | Hyun-Il Lee, Jung Su NOH, Jang Sun Lee, Jong Uk SEO, Myung-Gil Chun +2 more | 2018-07-10 |