Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5646480 | Metal assist structure for an electroluminescent display | Roger Carroll, Timothy Eschrich | 1997-07-08 |
| 5559399 | Low resistance, thermally stable electrode structure for electroluminescent displays | Roger Carroll, Emilio J. Branciforte | 1996-09-24 |
| 5445711 | Low resistance, thermally stable electrode structure for electroluminescent displays | Roger Carroll, Emilio J. Branciforte | 1995-08-29 |
| 5320977 | Method and apparatus for selecting the resistivity of epitaxial layers in III-V devices | Emilio J. Branciforte | 1994-06-14 |
| 5298772 | Integrated heterostructure acoustic charge transport (HACT) and heterostructure insulated gate field effects transistor (HIGFET) devices | Andrzej Peczalski, David Grider, James F. Detry, George A. Kilgore, Thomas W. Grudkowski +1 more | 1994-03-29 |
| 5283444 | Increased well depth hact using a strained layer superlattice | Robert N. Sacks, Thomas W. Grudkowski, Donald E. Cullen | 1994-02-01 |
| 5214338 | Energy coupler for a surface acoustic wave (SAW) resonator | — | 1993-05-25 |
| 5159420 | Dual medium heterojunction acoustic charge transport multiple quantum well spatial light modulator | Thomas W. Grudkowski, Glen Drake, Frederick J. Leonberger, Robert N. Sacks | 1992-10-27 |
| 5159299 | HACT electrode configuration | Donald E. Cullen, Sears Merritt, Emilio J. Branciforte | 1992-10-27 |
| 5128734 | Surface channel hact | Donald E. Cullen, Sears Merritt, Emilio J. Branciforte, Robert N. Sacks, Roger D. Carroll | 1992-07-07 |
| 5128579 | Act electrode configuration for linear readout | Roger D. Carroll, Sears Merritt, Donald E. Cullen, Emilio J. Branciforte | 1992-07-07 |
| 4990814 | Separated substrate acoustic charge transport device | Donald E. Cullen | 1991-02-05 |
| 4893161 | Quantum-well acoustic charge transport device | Sears Merritt, Robert N. Sacks | 1990-01-09 |
| 4890369 | Method of manufacturing saw devices | — | 1990-01-02 |
| 4884001 | Monolithic electro-acoustic device having an acoustic charge transport device integrated with a transistor | Robert N. Sacks | 1989-11-28 |
| 4863157 | Method and apparatus for exercising a paralyzed limb | Frank Mendel, Dale R. Fish, Robert E. Kell | 1989-09-05 |
| 4409570 | Separated substrate acoustic wave device | — | 1983-10-11 |
| 4364016 | Method for post fabrication frequency trimming of surface acoustic wave devices | — | 1982-12-14 |
| 4267534 | Surface acoustic wave reflectors with weighted arrays of segmented and non-segmented lineal elements | — | 1981-05-12 |
| 4237433 | Surface acoustic wave resonators with integrated internal coupler reflectors | — | 1980-12-02 |
| 4206426 | Multiple pole surface wave acoustic filters employing angled grooved distributed reflector arrays | Leland P. Solie | 1980-06-03 |