Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7488549 | Proton conducting polymer, polymer membrane comprising the same, method of manufacturing the polymer membrane, and fuel cell using the polymer membrane | Heung Chan Lee, Hyun-Sil HONG, You-Mee Kim | 2009-02-10 |