Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9540964 | Variable valve timing camshaft | — | 2017-01-10 |
| 9512789 | Supercharging engine | Jangsu LEE, JongMan JUN, Hyeungwoo Lee, Hyosang Cho, Seungeun Yu | 2016-12-06 |
| 9494057 | Variable valve lift system | Jangsu LEE, Hyosang Cho | 2016-11-15 |
| 9494059 | Valve train layout structure including return spring and camshaft-in-camshaft | — | 2016-11-15 |
| 8689757 | Belt driven electric starter system | Jongwon Lee | 2014-04-08 |