Issued Patents All Time
| 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 |
| 11710591 | Solenoid actuator | Chang-Hoon Lee, Chan-Shik Ahn, Bong-Ki Choi, Ji Hoon Park, Jeong Hyun Seo | 2023-07-25 |
| 11400851 | Breather valve | Chang-Hoon Lee, Jung Tae Kim, Ji Yong Lee | 2022-08-02 |
| 11078816 | Oil pump control valve | Chang-Hoon Lee, Jeong-Tae Kim, Ji Hoon Park, Yeong Jin JEONG, Jun Hyo Park | 2021-08-03 |
| 9470122 | Oil pump control valve | Chang-Hoon Lee, Ji Hoon Park | 2016-10-18 |
| 9169941 | Solenoid valve | Chang-Hoon Lee, Ki Ryong Lee | 2015-10-27 |
| 8925582 | Oil control valve for the variable valve lift system | Chang-Hoon Lee, Ji Hoon Park, Ki Ryong Lee | 2015-01-06 |