Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7012288 | Heterojunction bipolar transistor having non-uniformly doped collector for improved safe-operating area | Chien-Ping Lee, Nanlei Larry Wang, Clarence J. Dunnrowicz, Yan-Hao Chen, Barry Jia-Fu Lin | 2006-03-14 |
| 6806513 | Heterojunction bipolar transistor having wide bandgap material in collector | Clarence J. Dunnrowicz, Yan-Hao Chen, Chien-Ping Lee | 2004-10-19 |
| 6159816 | Method of fabricating a bipolar transistor | Darrell G. Hill, Timothy S. Henderson, William U. Liu, Shou-Kong Fan, Damian Costa +1 more | 2000-12-12 |
| 5552617 | Bipolar transistor | Darrell G. Hill, Timothy S. Henderson, William U. Liu, Shou-Kong Fan, Damian Costa +1 more | 1996-09-03 |
| 5512496 | Method of making collector-up bipolar transistor having improved emitter injection efficiency | Hua Q. Tserng | 1996-04-30 |
| 5485025 | Depleted extrinsic emitter of collector-up heterojunction bipolar transistor | Hua Q. Tserng | 1996-01-16 |