Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6355377 | Negative active material for rechargeable lithium battery and method of preparing same | Kyou-Yoon Sheem, Sang Young Yoon, Jae-Yul Ryu, Sang Jin Kim | 2002-03-12 |
| 6245460 | Negative electrode active material for lithium-based secondary battery and method of preparing same | Jae-Yul Ryu, Sang Young Yoon | 2001-06-12 |