Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11724656 | Low-noise pocket-type wheel guard | Jong Hyun Lee, Eric Jin Ser Lee, Ju-Wan Yi, Dong-Gwan Roh | 2023-08-15 |
| 11352045 | Variable steering wheel damper using electromagnet | Dong-Gwan Roh | 2022-06-07 |