Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8894964 | Crystalline carbonaceous material with controlled interlayer spacing and method of preparing same | Bok-Hyun Ka, Kyeu-Yoon Sheem, Da-Un Han, Sumihito Ishida, Eui-Hwan Song | 2014-11-25 |
| 8551655 | Negative active material for secondary lithium battery and secondary lithium battery | Sumihito Ishida, Hee-Joong Kim, Deok-Hyun Kim, Jong-Ki Lee, Seok-Gyun Woo | 2013-10-08 |
| 8268283 | Crystalline carbonaceous material with controlled interlayer spacing and method of preparing same | Bok-Hyun Ka, Kyeu-Yoon Sheem, Da-Un Han, Sumihito Ishida, Eui-Hwan Song | 2012-09-18 |