Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12201701 | Vegetable oil-derived contrast agent with high stability and preparation method thereof | Kyoung Ho Kim, Young Gook KOH, Ha Been Park | 2025-01-21 |
| 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, Hyuk Chang, Jin Chul Jung, Sam Dae Park, Yun Ju Chang | 2011-02-01 |
| 7846981 | Polymer electrolytic membrane, and fuel cell employing the same | Hae-kyoung Kim | 2010-12-07 |
| 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, Jin Chul Jung, Hyuk Chang, Sam Dae Park, Yoon-ju Chang | 2010-07-20 |
| 7619044 | Composition containing proton-conductive copolymer, polymer electrolyte membrane, method of producing the membrane, and fuel cell using the membrane | Hae-kyoung Kim, Tae Kyoung Kim | 2009-11-17 |
| 7592086 | Polymer membrane, method of preparing the same, and fuel cell using the same | Yeong Suk Choi, Tae Kyoung Kim | 2009-09-22 |