Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D549756 | Home service robot | Shinyoung Park, Changsu LEE, Kyunghee Han, Seongho Won, Youngbae Jung +3 more | 2007-08-28 |
| 7122271 | Battery unit and lithium secondary battery employing the same | Joong-Hun Kim, Hyung Bok Lee, Hyun-Jei Chung, Tae-Shik Earmme | 2006-10-17 |