Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8499725 | Variable compression ratio apparatus | Dong-Seok Lee, Jei Choon Yang, Eun Ho Lee, Young Hong Kwak, Jin Kook Kong +1 more | 2013-08-06 |
| 8397684 | Variable compression ratio apparatus | Jei Choon Yang, Eun Ho Lee, Jin Kook Kong, Soo Hyung Woo | 2013-03-19 |