Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6955712 | Proton-conducting polymer with acid groups in side chains, preparation method thereof, polymer membrane manufactured using the polymer, and fuel cell using the polymer membrane | — | 2005-10-18 |
| 6805976 | Organic electroluminescent device and preparation thereof | Lee-Mi Do, Jeong Ik Lee, Hye Yong Chu, Seong Hyun Kim, Tae Hyoung Zyung +3 more | 2004-10-19 |