Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845047 | Threshold adjustment method for an IGFET | Roger A. Haken, Richard A. Chapman | 1989-07-04 |
| 4821085 | VLSI local interconnect structure | Roger A. Haken | 1989-04-11 |
| 4814854 | Integrated circuit device and process with tin-gate transistor | Howard L. Tigelaar, Roger A. Haken, Robert Groover, III | 1989-03-21 |
| 4811076 | Device and process with doubled capacitors | Howard L. Tigelaar, James L. Paterson, Roger A. Haken | 1989-03-07 |
| 4811078 | Integrated circuit device and process with tin capacitors | Howard L. Tigelaar, Roger A. Haken | 1989-03-07 |
| 4804636 | Process for making integrated circuits having titanium nitride triple interconnect | Robert Groover, III, Roger A. Haken | 1989-02-14 |