Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7879971 | Multiblock copolymer, method of preparing the same, polymer electrolyte membrane prepared from the multiblock copolymer, method of preparing the polymer electrolyte membrane, and fuel cell employing the polymer electrolyte membrane | Hae-kyoung Kim, Won-mok Lee, Hyuk Chang, Jin Chul Jung, Yun Ju Chang | 2011-02-01 |
| 7759453 | Multiblock copolymer, method of preparing the same, polymer electrolyte membrane prepared from the multiblock copolymer, method of preparing the polymer electrolyte membrane, and fuel cell employing the polymer electrolyte membrane | Hae-kyoung Kim, Won-mok Lee, Jin Chul Jung, Hyuk Chang, Yoon-ju Chang | 2010-07-20 |