Issued Patents 2002
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6482547 | Negative active material for lithium secondary battery and lithium secondary battery using the same | Sang Young Yoon, Jeong-Ju Cho, Jae-Yul Ryu, Wan-Uk Choi, Sang Jin Kim | 2002-11-19 |
| 6479426 | Negative active material for lithium secondary battery | Jae-Yul Ryu, Sang Young Yoon, Wan-Uk Choi, Sang Jin Kim | 2002-11-12 |
| 6440610 | Negative active material for lithium secondary battery and manufacturing method of same | Sang Young Yoon | 2002-08-27 |
| 6399250 | Negative material for rechargeable lithium battery and method of preparing the same | Sang Young Yoon, Jeong-Ju Cho, Wan-Uk Choi | 2002-06-04 |
| 6395427 | Negative active material for rechargeable lithium battery and method of preparing same | Sang Young Yoon, Wan-Uk Choi, Jae-Yul Ryu, Sang Jin Kim | 2002-05-28 |
| 6391495 | Negative active material for lithium secondary battery, method of preparing the same and lithium secondary battery comprising the same | Wan-Uk Choi, Sang Young Yoon, Jae-Yul Ryu | 2002-05-21 |
| 6355377 | Negative active material for rechargeable lithium battery and method of preparing same | Sang Young Yoon, Wan-Uk Choi, Jae-Yul Ryu, Sang Jin Kim | 2002-03-12 |