Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6215132 | Light-emitting diode with divided light-emitting region | Michael Widman | 2001-04-10 |
| 5543638 | Semiconductor light emitting device | Michael Widman | 1996-08-06 |
| 5151756 | Surface emitting heterojunction light emitting diode | Karl M. Widman | 1992-09-29 |