Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7345324 | Light emitting diodes with graded composition active regions | David P. Bour, Nathan Gardner, Werner Goetz, Stephen A. Stockman, Tetsuya Takeuchi +2 more | 2008-03-18 |
| 6965361 | Method of manufacture of active matrix addressed polymer LED display | James R. Sheats, Ronald L. Moon | 2005-11-15 |
| 6955933 | Light emitting diodes with graded composition active regions | David P. Bour, Nathan Gardner, Werner Goetz, Stephen A. Stockman, Tetsuya Takeuchi +2 more | 2005-10-18 |
| 6878975 | Polarization field enhanced tunnel structures | — | 2005-04-12 |
| 6853663 | Efficiency GaN-based light emitting devices | Ghulam Hasnain, Richard P. Schneider, Scott W. Corzine, Tetsuya Takeuchi, Danny E. Mars | 2005-02-08 |
| 6768141 | Heterojunction bipolar transistor (HBT) having improved emitter-base grading structure | Sandeep R. Bahl, Nicolas J. Moll | 2004-07-27 |
| 6146225 | Transparent, flexible permeability barrier for organic electroluminescent devices | James R. Sheats, Karen L. Seaward, Daniel Roitman, George Andrew Davidson Briggs | 2000-11-14 |
| 5872355 | Electroluminescent device and fabrication method for a light detection system | — | 1999-02-16 |
| 5629389 | Polymer-based electroluminescent device with improved stability | Daniel Roitman, James R. Sheats | 1997-05-13 |
| 5055891 | Heterostructure transistor using real-space electron transfer | Nicolas J. Moll, Marek E. Mierzwinski | 1991-10-08 |