Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681665 | Negative electrode for alkaline storage battery | Sang Won Lee, Geun-Bae Kim, Jong-Seo Choi, Kwi-seuk Choi, Kyu-Nam Joo | 1997-10-28 |
| 5620813 | Positive nickel electrode for alkaline storage battery | Sang Won Lee, Geun-Bae Kim, Jong-Seo Choi, Kwi-seuk Choi, Kyu-Nam Joo | 1997-04-15 |