Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8722280 | Hyper-branched polymer, electrode for fuel cell including the hyper-branched polymer, electrolyte membrane for fuel cell including the hyper-branched polymer, and fuel cell including at least one of the electrode and the electrolyte membrane | Seong-woo Choi, Cheol-hee Ahn, Jung-ock Park | 2014-05-13 |
| 8628895 | Hyper-branched polymer, electrode including the polymer, electrolyte membrane including the polymer, and fuel cell including the electrode and/or the electrolyte membrane | Seong-woo Choi, Cheol-hee Ahn, Jung-ock Park | 2014-01-14 |