Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6525349 | Heterojunction bipolar transistor with tensile graded carbon-doped base layer grown by MOCVD | — | 2003-02-25 |
| 6019840 | Process for forming deep level impurity undoped phosphorous containing semi-insulating epitaxial layers | Gregory E. Stillman | 2000-02-01 |
| 5656538 | Halide dopant process for producing semi-insulating group III-V regions for semiconductor devices | Nathan Gardner, Stephen A. Stockman, Gregory E. Stillman | 1997-08-12 |