Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10971739 | Common flow field type fuel cell separator, fuel cell separator assembly, and fuel cell stack | Hyung-Chul Noh, Ho-Cheol Suh, Myong-Hwan Kim | 2021-04-06 |
| 10476088 | Manifold device of fuel cell stack | Bu Kil Kwon, Yong Gyu Noh, Hyun Lee, Seung Eul Yoo | 2019-11-12 |
| 8199622 | Method for emulating optical disk, optical disk drive using the same, and optical disk including security zone | In Chang Yang, Byung-Ju Dan, Byeong Rim Jo | 2012-06-12 |
| 8012636 | Apparatus and method for acceleratively activating fuel cell | Ik Jae Son, Jae Jun Ko, Jong Jin Yoon, Jong Hyun Lee, Seung Chan Oh +3 more | 2011-09-06 |
| 5858590 | Method for forming photoresist patterns | O Sung Kwon, Doo Hee Lee, Hyung Sun Yook, Heung-Gee Hong | 1999-01-12 |