Issued Patents All Time
Showing 25 most recent of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5719077 | Fixture and method for laser fabrication by in-situ cleaving of semiconductor bars | Utpal Kumar Chakrabarti, Judith Francavilla de Jong, James Dennis Wynn, George J. Zydzik | 1998-02-17 |
| 5550089 | Gallium oxide coatings for optoelectronic devices using electron beam evaporation of a high purity single crystal Gd.sub.3 Ga.sub.5 O.sub.12 source. | Niloy K. Dutta, Russell J. Fischer, Neil Hunt, Matthias Passlack, George J. Zydzik | 1996-08-27 |
| 5451548 | Electron beam deposition of gallium oxide thin films using a single high purity crystal source | Neil Hunt, Matthias Passlack, George J. Zydzik | 1995-09-19 |
| 5373186 | Bipolar transistor with monoatomic base layer between emitter and collector layers | Klaus Ploog, Albrecht Fischer | 1994-12-13 |
| 5362977 | Single mirror light-emitting diodes with enhanced intensity | Neil Hunt | 1994-11-08 |
| 5363398 | Absorption resonant rare earth-doped micro-cavities | Alastair M. Glass, Neil Hunt, John M. Poate, George J. Zydzik | 1994-11-08 |
| 5329150 | Semiconductor photodetector devices with pairs of monoatomic layers separated by intrinsic layers | Klaus Ploog, Albrecht Fischer | 1994-07-12 |
| 5315128 | Photodetector with a resonant cavity | Neil Hunt, George J. Zydzik | 1994-05-24 |
| 5268582 | P-N junction devices with group IV element-doped group III-V compound semiconductors | Rose Kopf | 1993-12-07 |
| 5249195 | Erbium doped optical devices | Leonard C. Feldman, Neil Hunt, Dale C. Jacobson, John M. Poate, Arjen Maarten Vredenberg +2 more | 1993-09-28 |
| 5226055 | Devices having repetitive layers | Stephen W. Downey, Adrian B. Emerson, Rose Kopf | 1993-07-06 |
| 5226053 | Light emitting diode | Alfred Yi Cho, Li-Wei Tu, George J. Zydzik | 1993-07-06 |
| 5216260 | Optically bistable semiconductor device with pairs of monoatomic layers separated by intrinsic layers | Klaus Ploog, Albrecht Fischer | 1993-06-01 |
| 5206871 | Optical devices with electron-beam evaporated multilayer mirror | Dennis G. Deppe, Niloy K. Dutta, Li-Wei Tu, George J. Zydzik | 1993-04-27 |
| 5170407 | Elimination of heterojunction band discontinuities | Li-Wei Tu, George J. Zydzik | 1992-12-08 |
| 5115441 | Vertical cavity surface emmitting lasers with transparent electrodes | Rose Kopf, Henry M. O'Bryan, Jr., Li-Wei Tu, Yeong-Her Wang, George J. Zydzik | 1992-05-19 |
| 5068868 | Vertical cavity surface emitting lasers with electrically conducting mirrors | Dennis G. Deppe, Leonard C. Feldman, Rose Kopf, Li-Wei Tu, George J. Zydzik | 1991-11-26 |
| 5060234 | Injection laser with at least one pair of monoatomic layers of doping atoms | Klaus Ploog, Albrecht Fischer | 1991-10-22 |
| 5031012 | Devices having asymmetric delta-doping | John E. Cunningham, Alastair M. Glass | 1991-07-09 |
| 5024967 | Doping procedures for semiconductor devices | Rose Kopf, J. M. Kuo, Henry S. Luftman | 1991-06-18 |
| 5018157 | Vertical cavity semiconductor lasers | Dennis G. Deppe, Russell Dupuis | 1991-05-21 |
| 4980892 | Optical system including wavelength-tunable semiconductor laser | John E. Cunningham, Timothy Harris, Jan P. van der Ziel | 1990-12-25 |
| 4974044 | Devices having asymmetric delta-doping | John E. Cunningham, Alastair M. Glass | 1990-11-27 |
| 4929064 | Optical communications modulator device | — | 1990-05-29 |
| 4882609 | Semiconductor devices with at least one monoatomic layer of doping atoms | Klaus Ploog, Albrecht Fischer, Yoshiji Horikoshi | 1989-11-21 |