Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9970514 | Planetary gear train of automatic transmission for vehicle | Seong Wook Hwang, Hyun Sik Kwon, Ki Tae Kim, Wonmin Cho, Jae Chang Kook | 2018-05-15 |
| 9856952 | Planetary gear train of automatic transmission for vehicle | Hyun Sik Kwon, Seong Wook Hwang, Wonmin Cho, Jae Chang Kook | 2018-01-02 |
| 9618090 | Planetary gear train of automatic transmission for vehicles | Wonmin Cho, Jae Chang Kook, Myeong Hoon Noh, Kangsoo Seo, Seong Wook Hwang | 2017-04-11 |