Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10119553 | Centrifugal fan | Sangyuk Son, Choonmyun Chung | 2018-11-06 |
| 9951781 | Centrifugal blower and air conditioner using the same | Woojoo Choi, Choonmyun Chung, Dongkyun IM | 2018-04-24 |