Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE42299 | Polymer comprising terminal sulfonic acid group, and polymer electrolyte and fuel cell using the same | Do-yun Kim, Myung Sup Jung, Bong Seok Moon | 2011-04-19 |
| 7547748 | Polymer comprising terminal sulfonic acid group, and polymer electrolyte and fuel cell using the same | Do-yun Kim, Myung Sup Jung, Bong Seok Moon | 2009-06-16 |
| 7465780 | Polyimide comprising sulfonic acid group at the terminal of side chain, and polymer electrolyte and fuel cell using the same | Myung Sup Jung, Do-yun Kim | 2008-12-16 |
| 7378471 | Polymer comprising terminal sulfonic acid group, and polymer electrolyte and fuel cell using the same | Do-yun Kim, Myung Sup Jung, Bong Seok Moon | 2008-05-27 |