Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6813295 | Asymmetric InGaAsN vertical cavity surface emitting lasers | Tetsuya Takeuchi, Ying-Lan Chang, David P. Bour, Michael Renne Ty Tan | 2004-11-02 |
| 6764926 | Method for obtaining high quality InGaAsN semiconductor devices | Tetsuya Takeuchi, Ying-Lan Chang, David P. Bour, Michael Renne Ty Tan, Andy Luan | 2004-07-20 |
| 6765238 | Material systems for semiconductor tunnel-junction structures | Yin-Lan Chang, Ashish Tandon, Michael Renne Ty Tan | 2004-07-20 |