Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7453424 | Matrix display device with photosensitive element | Mark Thomas Johnson | 2008-11-18 |
| 7423617 | Light emissive element having pixel sensing circuit | Mark Thomas Johnson | 2008-09-09 |
| 7215313 | Two sided display device | Mark Thomas Johnson | 2007-05-08 |