Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11401898 | Method for manufacturing a waterproof felt duct and a waterproof felt duct | Sung-Hyuk Yoon, Ju-Ho Han, Jun-haeng Cho | 2022-08-02 |
| 11285871 | Method and system of controlling interior sound of vehicle | Seong-Youn Kwak, Jae Hyun Park, Dong-Wook Lee, Sang Il Lee | 2022-03-29 |
| 11253806 | Air cleaner having built-in valve and intake system thereof | Seong-Youn Kwak, Ju-Ho Han, Sung-Hyuk Yoon | 2022-02-22 |