Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8897329 | Group III nitride-based green-laser diodes and waveguide structures thereof | Dmitry S. Sizov, Chung-En Zah | 2014-11-25 |
| 8379684 | Hole blocking layers in non-polar and semi-polar green light emitting devices | Dmitry S. Sizov, Chung-En Zah | 2013-02-19 |
| 8358673 | Strain balanced laser diode | Dmitry S. Sizov, Chung-En Zah | 2013-01-22 |
| 8355422 | Enhanced planarity in GaN edge emitting lasers | — | 2013-01-15 |
| 8318515 | Growth methodology for light emitting semiconductor devices | — | 2012-11-27 |
| 8217498 | Gallium nitride semiconductor device on SOI and process for making same | Kishor Purushottam Gadkaree, Jerome Napierala, Linda Ruth Pinckney, Chung-En Zah | 2012-07-10 |
| 8218595 | Enhanced planarity in GaN edge emitting lasers | — | 2012-07-10 |
| 8189639 | GaN-based laser diodes with misfit dislocations displaced from the active region | Dmitry S. Sizov | 2012-05-29 |
| 8121165 | MQW laser structure comprising plural MQW regions | Jerome Napierala, Dmitry S. Sizov, Chung-En Zah | 2012-02-21 |
| 7983317 | MQW laser structure comprising plural MQW regions | Jerome Napierala, Dmitry S. Sizov, Chung-En Zah | 2011-07-19 |
| 7965752 | Native green laser semiconductor devices | Chad Stephen Gallinat, Jerome Napierala, Dmitry S. Sizov, Chung-En Zah | 2011-06-21 |
| 7615389 | GaN lasers on ALN substrates and methods of fabrication | Jerome Napierala, Dmitry S. Sizov, Chung-En Zah | 2009-11-10 |
| 6982439 | Tunnel junctions for long-wavelength VCSELs | Nobuhiko Nishiyama | 2006-01-03 |
| 6933539 | Tunnel junctions for long-wavelength VCSELs | Nobuhiko Nishiyama | 2005-08-23 |
| 6285044 | InP-based heterojunction bipolar transistor with reduced base-collector capacitance | — | 2001-09-04 |
| 5946582 | Method of making an InP-based heterojunction bipolar transistor with reduced base-collector capacitance | — | 1999-08-31 |
| 5882951 | Method for making InP-based lasers with reduced blue shifts | — | 1999-03-16 |
| 5802232 | Bonded structure with portions of differing crystallographic orientations, particularly useful as a non linear optical waveguide | Catherine Genevieve Caneau, Mark A. Koza, Sung-Joo Ben Yoo | 1998-09-01 |
| 5796902 | Coherent blue/green optical source and other structures utilizing non-linear optical waveguide with quasi-phase-matching grating | Catherine Genevieve Caneau, Mark A. Koza, Sung-Joo Ben Yoo | 1998-08-18 |
| 5771256 | InP-based lasers with reduced blue shifts | — | 1998-06-23 |
| 5541949 | Strained algainas quantum-well diode lasers | Chung-En Zah | 1996-07-30 |
| 5381434 | High-temperature, uncooled diode laser | Chung-En Zah | 1995-01-10 |
| 5323416 | Planarized interference mirror | Sung-Joo Ben Yoo | 1994-06-21 |
| 5302847 | Semiconductor heterostructure having a capping layer preventing deleterious effects of As-P exchange | Maria J. S. P. Brasil, Robert E. Nahory, William E. Quinn, Maria C. Tamargo | 1994-04-12 |
| 5288327 | Deflected flow in chemical vapor deposition cell | — | 1994-02-22 |