Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9995311 | Centrifugal fan | Sang Yuk Son, Choon Myun Chung | 2018-06-12 |
| 8925907 | Ventilating apparatus, and method for controlling the ventilating apparatus | Hyung Ho Park, Jeong Hun Kim | 2015-01-06 |
| 8517356 | Ventilation device and controlling method of the same | Jeong Hun Kim, Hyung Ho Park | 2013-08-27 |