Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6451472 | Lithium battery and manufacturing method thereof | Youn-Han Chang | 2002-09-17 |
| 6397606 | Refrigerator setup system and method | Young Hoon Roh, Kwang-Choon Kim, Jin Cho | 2002-06-04 |
| 6399253 | Secondary battery with planar electrodes having collectors with polygonal through holes | Youn-Han Chang | 2002-06-04 |
| 6371997 | Method for manufacturing lithium polymer secondary battery and lithium polymer secondary battery made by the method | Youn-Han Chang | 2002-04-16 |