Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8323840 | Hydrogen recirculation apparatus for fuel cell vehicle | Hyun Lee | 2012-12-04 |
| 7687171 | Multi-stage in-line cartridge ejector for fuel cell system | Hyeon Seok Ban, Hae-Weon Lee, Yong Park | 2010-03-30 |