Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890141 | CMOS device with both p+ and n+ gates | Thomas E. Tang, Che-Chia Wei, Roger A. Haken | 1989-12-26 |
| 4845047 | Threshold adjustment method for an IGFET | Thomas C. Holloway, Roger A. Haken | 1989-07-04 |
| 4842675 | Integrated circuit isolation process | Clarence W. Teng | 1989-06-27 |