Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9677002 | Etching composition | Sang Won Bae, Yongsun Ko, Bo Yun Kim, Hongjin Kim, Sungoh Park +3 more | 2017-06-13 |
| 9664250 | Variable frequency damper for drive shaft of vehicle | — | 2017-05-30 |