Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12429143 | Washer liquid supply valve | Jong Min Park, Nak Kyoung Kong, Jin Hee Lee, Ki Hong Lee, Chang-Hoon Lee +10 more | 2025-09-30 |
| 11251061 | Electrostatic chuck and manufacturing method therefor | Yun Ho Kim, Joo Hwan Kim | 2022-02-15 |
| 9169941 | Solenoid valve | Chang-Hoon Lee, Eui-Dong Roh | 2015-10-27 |
| 8925582 | Oil control valve for the variable valve lift system | Chang-Hoon Lee, Eui-Dong Roh, Ji Hoon Park | 2015-01-06 |