Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8052318 | Light guide member and keypad assembly using the same | Joo-Hoon Lee | 2011-11-08 |
| 7959342 | Waveguide member and keypad assembly using the same | Joo-Hoon Lee | 2011-06-14 |
| 7936499 | Method and apparatus for driving EPD | Joo-Hoon Lee, Sun-Tae Jung, Se Jin Kim | 2011-05-03 |