Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11655783 | Air cleaner for vehicles | Seong-Youn Kwak, Sung Min Yang, Ju-Ho Han, Won Seop Choi | 2023-05-23 |
| 11401898 | Method for manufacturing a waterproof felt duct and a waterproof felt duct | Won Seop Choi, Ju-Ho Han, Jun-haeng Cho | 2022-08-02 |
| 11253806 | Air cleaner having built-in valve and intake system thereof | Seong-Youn Kwak, Ju-Ho Han, Won Seop Choi | 2022-02-22 |
| 10865748 | Adapter filter fixing type air cleaner and intake system including the same | Seong-Youn Kwak, Won Seop Choi, Ju-Ho Han, Yong Gyo Seo | 2020-12-15 |
| 10514008 | Vehicle resonator and vehicle air cleaner having the same | Wonseop Choi, Ju-Ho Han | 2019-12-24 |
| 8548396 | Antenna element and communication apparatus | — | 2013-10-01 |
| 5862197 | Charge coupled device having CCIR/EIA mode coversion function | Il Nam Hwang | 1999-01-19 |