Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11655783 | Air cleaner for vehicles | Seong-Youn Kwak, Sung-Hyuk Yoon, Sung Min Yang, Won Seop Choi | 2023-05-23 |
| 11629676 | Cover rigidity reinforcement member of air cleaner and air cleaner including the same | Seong-Youn Kwak, Sung Min Yang, Sang-Jun Ahn | 2023-04-18 |
| 11401898 | Method for manufacturing a waterproof felt duct and a waterproof felt duct | Won Seop Choi, Sung-Hyuk Yoon, Jun-haeng Cho | 2022-08-02 |
| 11253806 | Air cleaner having built-in valve and intake system thereof | Seong-Youn Kwak, Won Seop Choi, Sung-Hyuk Yoon | 2022-02-22 |
| 11014836 | Autonomous bubble generating plasma unit for water treatment | — | 2021-05-25 |
| 10865748 | Adapter filter fixing type air cleaner and intake system including the same | Seong-Youn Kwak, Won Seop Choi, Yong Gyo Seo, Sung-Hyuk Yoon | 2020-12-15 |
| 10514008 | Vehicle resonator and vehicle air cleaner having the same | Wonseop Choi, Sung-Hyuk Yoon | 2019-12-24 |