Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11320158 | Multifunctional circulation system enabling purification of outside air | Dong Wook Kim, Chan-Jung Park, Byung Soo Yun, Dong Hun Lee, In-Kyu Back | 2022-05-03 |
| 8936041 | Latch valve and flow control device using the same | Young-Sang Yun, Man-Uk Park, Sung-Worl Jin, Ji Hye Jeong | 2015-01-20 |
| 7337802 | Pressure reducing valve | — | 2008-03-04 |