Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9644581 | Variable intake system with variable valve | Jungwu Jung, Seunghyun Lee, Youngho Han, Yang Rae Cho, Hyun Soo Jung | 2017-05-09 |
| 8574355 | System for checking filter of air cleaner for automobiles | Woomin Jung, Minyong Park, Changho Lee | 2013-11-05 |