Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11121523 | Semiconductor devices with depleted heterojunction current blocking regions | — | 2021-09-14 |
| 11088509 | Low resistance vertical cavity light source with PNPN blocking | — | 2021-08-10 |
| 10886701 | Low resistance vertical cavity light source with PNPN blocking | — | 2021-01-05 |
| 10879671 | Vertical-cavity surface-emitting device with epitaxial index guide | — | 2020-12-29 |
| 10673206 | Semiconductor devices with depleted heterojunction current blocking regions | — | 2020-06-02 |
| 10530127 | Low resistance vertical cavity light source with PNPN blocking | — | 2020-01-07 |
| 10483719 | Semiconductor devices with depleted heterojunction current blocking regions | — | 2019-11-19 |
| 10263393 | Vertical-cavity surface-emitting device with epitaxial index guide | — | 2019-04-16 |
| 10033156 | Low resistance vertical cavity light source with PNPN blocking | — | 2018-07-24 |
| 9705283 | Diffused channel semiconductor light sources | Guowei ZHAO | 2017-07-11 |
| 9442247 | Branched shape optical isolator and optical apparatus, method and applications | — | 2016-09-13 |
| 9118162 | Composite semiconductor light source pumped by a spontaneous light emitter | — | 2015-08-25 |
| 8774246 | Semiconductor light sources including selective diffusion for optical and electrical confinement | Sabine M. Freisem | 2014-07-08 |
| 8592838 | Low voltage display or indicator system employing combinations of up converters and semiconductor light sources | Michael Bass | 2013-11-26 |
| 8585207 | Up converters and GaAs based semiconductor light source system for large color gamut display and projection displays | Michael Bass | 2013-11-19 |
| 8419189 | Emissive fibers containing up converters excited by GaAs based semiconductor light sources | Michael Bass | 2013-04-16 |
| 8270068 | Composite cavity for enhanced efficiency of up-conversion | Michael Bass | 2012-09-18 |
| 7899093 | Combination of up-converting materials with semiconductor light sources | Michael Bass | 2011-03-01 |
| 7804640 | Composite cavity for enhanced efficiency of up-conversion | Michael Bass | 2010-09-28 |
| 7471706 | High resolution, full color, high brightness fully integrated light emitting devices and displays | Michael Bass | 2008-12-30 |
| 6859477 | Optoelectronic and electronic devices based on quantum dots having proximity-placed acceptor impurities, and methods therefor | Oleg Borisovich Shchekin | 2005-02-22 |
| 6370179 | Low threshold microcavity light emitter | Diana L. Huffaker | 2002-04-09 |
| 6075804 | Semiconductor device having an oxide defined aperture | Jack L. Jewell | 2000-06-13 |
| 5206871 | Optical devices with electron-beam evaporated multilayer mirror | Niloy K. Dutta, Erdmann F. Schubert, Li-Wei Tu, George J. Zydzik | 1993-04-27 |
| 5089860 | Quantum well device with control of spontaneous photon emission, and method of manufacturing same | Thomas J. Rogers | 1992-02-18 |