Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10844780 | Engine system having secondary air injection device | Heechang Oh, Jong Il Park, Hyun Jun Lim, Seungwoo Hong, Yeongseop Park +2 more | 2020-11-24 |
| 10767602 | Engine system | Seungwoo Hong, Jong Il Park, Hyungbok Lee, Heechang Oh, Yeongseop Park +1 more | 2020-09-08 |