Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11130093 | Oxygen supplying apparatus | Hyeon Seong KIM, Seung Kwon Oh, Jee Soo KWAK, Myeong Gu Kim | 2021-09-28 |
| 9675926 | Oxygen concentrating method and apparatus having condensate water removing function | Tae-Soo Lee, Hyun Seong Kim, Shin Kyu Han, Seung Kwon Oh | 2017-06-13 |