Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4801993 | Monolithic semiconductor structure of a heterojunction bipolar transistor and a laser | Jean-François Palmier | 1989-01-31 |
| 4728616 | Ballistic heterojunction bipolar transistor | Lester F. Eastman, Walter H. Ku | 1988-03-01 |
| 4672404 | Ballistic heterojunction bipolar transistor | Lester F. Eastman, Walter H. Ku | 1987-06-09 |
| 4620210 | Phototransistor of the type having an emitter-base heterojunction | Andre Scavennec | 1986-10-28 |