Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8125414 | Electroluminescent display device | Mark Thomas Johnson, Mark J. Childs | 2012-02-28 |
| 7492377 | Display devices and driving method therefor | Martin John Edwards, Nigel D. Young, Mark Thomas Johnson | 2009-02-17 |
| 7129914 | Active matrix electroluminescent display device | Alan G. Knapp | 2006-10-31 |
| 6806857 | Display device | Adrianus Sempel, Mark Thomas Johnson, Edward Willem Albert Young | 2004-10-19 |
| 6654154 | Light switching device with reset | Mark Thomas Johnson, Steven Charles Deane | 2003-11-25 |
| 6577302 | Display device having current-addressed pixels | Neil C. Bird | 2003-06-10 |
| 6509690 | Display device | Adrianus Sempel, Mark Thomas Johnson, Edward Willem Albert Young | 2003-01-21 |
| 6441560 | Active matrix electroluminescent display device | — | 2002-08-27 |
| 6356029 | Active matrix electroluminescent display device | — | 2002-03-12 |
| 4561063 | Apparatus for identifying the position of a body | Robert Craig, Paul D. Packard | 1985-12-24 |