Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9253933 | Electric propulsion system of electric vehicle | Yoon Bok Lee, Won-Seok Kang | 2016-02-02 |
| 7670904 | Nonvolatile memory device and method for fabricating the same | Woon-Kyung Lee | 2010-03-02 |