Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11781622 | Mechanical chain tensioner | — | 2023-10-10 |
| 10415438 | Oil drain preventing device for continuously variable valve timing apparatus | — | 2019-09-17 |
| 8079333 | Slide type continuous variable valve lift device | Byoung Young Choi, Dong Heon Park | 2011-12-20 |
| 7793627 | Variable valve lift apparatus | — | 2010-09-14 |