Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10137402 | Gas concentration device | Tae-Soo Lee, Hyeon Seong KIM, Seung Kwon Oh, Loren M. Thompson | 2018-11-27 |
| 9675926 | Oxygen concentrating method and apparatus having condensate water removing function | Tae-Soo Lee, Hyun Seong Kim, Seung Kwon Oh, Kang Han LEE | 2017-06-13 |
| 8349053 | High efficiency gas concentrating apparatus and method of controlling high efficiency gas concentrating apparatus | Tae-Soo Lee, Yoon-sun Choi, Seung Kwon Oh | 2013-01-08 |