Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882295 | Method of making a double injection field effect transistor | Wolodymyr Czubatyj, Michael Hack | 1989-11-21 |
| 4845541 | Tunneling emitter bipolar transistor | Jingming Xu | 1989-07-04 |
| 4814851 | High transconductance complementary (Al,Ga)As/gas heterostructure insulated gate field-effect transistor | Jonathan K. Abrokwah, Nicholas C. Cirillo, Jr., Obert N. Tufte | 1989-03-21 |