Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6953631 | Method and apparatus for operating polymer electrolyte membrane fuel cell below the freezing point of water | In Hwan Oh, Jae Jun Ko, Heung Yong Ha, Seong Ahn Hong, Ki Chun Lee +2 more | 2005-10-11 |
| 6844095 | Humidifier for humidifying reactant gases for a polymer electrolyte fuel cell system | Ki Chun Lee, In-Hwan Oii, Seock-Jac Shin, Se-Kyu Park, Hung-Young Ila +1 more | 2005-01-18 |