Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6936380 | Process for preparing lithium polymer secondary battery | Won-sun Kim | 2005-08-30 |
| 6902839 | Polymer electrolyte membrane for fuel cell and method for producing the same | Young-Gi LEE, Ji-Yong Eom | 2005-06-07 |