Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11285871 | Method and system of controlling interior sound of vehicle | Jae Hyun Park, Dong-Wook Lee, Sang Il Lee, Won Seop Choi | 2022-03-29 |
| 11253806 | Air cleaner having built-in valve and intake system thereof | Ju-Ho Han, Won Seop Choi, Sung-Hyuk Yoon | 2022-02-22 |