H01S 5/2013
Mqw barrier reflection layers
Official title: {MQW barrier reflection layers}
H01S5/2013 (Mqw barrier reflection layers) appears on 64 US grants and 28 published applications in this corpus.
Search patents in H01S- Granted patents
- 64
- Published applications
- 28
- Assignees
- 34
- Inventors
- 143
- Latest grant
- 21 Feb 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 8 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 1 |
| 2002 | 5 | 0 |
| 2003 | 2 | 3 |
| 2004 | 4 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 2 | 2 |
| 2009 | 0 | 1 |
| 2010 | 2 | 3 |
| 2011 | 2 | 1 |
| 2012 | 1 | 0 |
| 2013 | 2 | 3 |
| 2014 | 1 | 3 |
| 2015 | 1 | 2 |
| 2016 | 0 | 1 |
| 2017 | 4 | 2 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 2 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Vertical-cavity surface-emitting laser fabrication on large wafer21 Feb 2023US 11,588,299 B2Mellanox Technologies, Ltd.
- Vertical cavity light emitting element13 Aug 2019US 10,381,804 B2Stanley Electric Co., Ltd.
- Ultraviolet light emitting element and electrical device using same12 Dec 2017US 9,843,163 B2Panasonic Corporation
- Chip-scale power scalable ultraviolet optical source24 Oct 2017US 9,800,018 B2HRL Laboratories, LLC
- Method of fabricating optical devices using laser treatment10 Oct 2017US 9,786,810 B2Soraa Laser Diode, Inc.
- Vertical-cavity surface-emitting laser fabrication on large wafer7 Oct 2021US 2021/0313770 A1Mellanox Technologies, Ltd.
- Quantum Well Structure for Polarized Semiconductors1 Jul 2021US 2021/0203134 A1
- Vertical cavity light emitting element9 Aug 2018US 2018/0226771 A1Stanley Electric Co., Ltd.
- Ultraviolet light emitting element and electrical device using same20 Apr 2017US 2017/0110852 A1Panasonic Corporation
- Optical modulator having reflection layers2 Mar 2017US 2017/0059887 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Multiquantum barrier laser having high electron and hole reflectivity of layers94US 5,425,041 AFuji Xerox Co., Ltd. · 1995
- Light-emitting semiconductor device producing red wavelength optical radiation81US 6,542,528 B1Ricoh Company, Ltd. · 2003
- Semiconductor light emitter50US 5,537,433 ASharp Kabushiki Kaisha · 1996
- Low operating current and low noise semiconductor laser device for optical disk memories33US 5,386,429 AMatsushita Electric Industrial Co., Ltd. · 1995
- Clad superlattice semiconductor laser28US 4,731,789 AXerox Corporation · 1988