Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6797434 | NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY, RECHARGEABLE LITHIUM BATTERY AND METHOD OF PREPARING NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM SECONDARY BATTERY | Keiko Matsubara, Sang Young Yoon | 2004-09-28 |
| 6767669 | Negative electrode for lithium rechargeable batteries and lithium rechargeable batteries | Keiko Matsubara, Sang Young Yoon | 2004-07-27 |
| 6733546 | Method of preparing an anode material for lithium secondary battery | Keiko Matsubara, Sang Young Yoon | 2004-05-11 |
| 6733922 | Carbonaceous material and lithium secondary batteries comprising same | Keiko Matsubara, Kyou-Yoon Sheem | 2004-05-11 |