Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7650056 | Method for manufacturing a light-guiding plate and key module having the light-guiding plate | — | 2010-01-19 |
| 7572023 | Key module with multi-layer light guiding structure | — | 2009-08-11 |
| 7455416 | Light guide structure and keypad having the same | — | 2008-11-25 |
| 7423229 | Light guiding plate and a keystroke module for use therewith | — | 2008-09-09 |