Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7807759 | Branched and sulphonated multi block copolymer and electrolyte membrane using the same | Chong Kyu Shin, Young Ji TAE, Jae-Hyuk Chang, Bong-Keun Lee, Chang-ae Cho +2 more | 2010-10-05 |
| 7544219 | Gasketed membrane-electrode-assembly and fuel cell system employing the same | Seong Min Song, Go-Young Moon, Won-Ho Lee, Ha-Chull Chung, Kyoung-Il Park +1 more | 2009-06-09 |