Issued Patents All Time
Showing 126–135 of 135 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6958497 | Group III nitride based light emitting diode structures with a quantum well and superlattice, group III nitride based quantum well structures and group III nitride based superlattice structures | David T. Emerson, James Ibbetson, Kathleen Marie Doverspike, Michael O'Loughlin, Howard Nordby +1 more | 2005-10-25 |
| 6952024 | Group III nitride LED with silicon carbide cladding layer | John Edmond, Kathleen Marie Doverspike, Hua-Shuang Kong | 2005-10-04 |
| 6906352 | Group III nitride LED with undoped cladding layer and multiple quantum well | John Edmond, Kathleen Marie Doverspike, Hua-Shuang Kong, David T. Emerson | 2005-06-14 |
| 6800876 | Group III nitride LED with undoped cladding layer (5000.137) | John Edmond, Kathleen Marie Doverspike, Hua-Shuang Kong | 2004-10-05 |
| 6784461 | Group III nitride light emitting devices with progressively graded layers | John Edmond, Kathleen Marie Doverspike, Hua-Shuang Kong | 2004-08-31 |
| 6734033 | Ultraviolet light emitting diode | David T. Emerson, Amber C. Abare | 2004-05-11 |
| 6717185 | Light emitting devices with Group III nitride contact layer and superlattice | John Edmond, Kathleen Marie Doverspike, Hua-Shuang Kong | 2004-04-06 |
| 6664560 | Ultraviolet light emitting diode | David T. Emerson, Amber C. Abare | 2003-12-16 |
| 6534797 | Group III nitride light emitting devices with gallium-free layers | John Edmond, Kathleen Marie Doverspike, Hua-Shuang Kong | 2003-03-18 |
| 4491823 | Rotary resistors | Armin Lederer, Norbert Walliser | 1985-01-01 |