Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7955724 | Secondary battery having a film including expandable graphite and polyurethane | Kwangho Yoo, Bo Hyun Kim | 2011-06-07 |
| 7625669 | Lithium secondary battery having improved stability to overcharge | Bo Hyun Kim, Kwangho Yoo, Hey Woong Park, Jisang Yu | 2009-12-01 |