H01S 5/3434
With a well layer comprising at least both as and p as
Official title: {with a well layer comprising at least both As and P as V-compounds}
H01S5/3434 (With a well layer comprising at least both as and p as) appears on 302 US grants and 236 published applications in this corpus.
Search patents in H01S- Granted patents
- 302
- Published applications
- 236
- Assignees
- 112
- Inventors
- 569
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 8 | 0 |
| 1994 | 6 | 0 |
| 1995 | 8 | 0 |
| 1996 | 12 | 0 |
| 1997 | 11 | 0 |
| 1998 | 17 | 0 |
| 1999 | 21 | 0 |
| 2000 | 14 | 0 |
| 2001 | 2 | 4 |
| 2002 | 10 | 12 |
| 2003 | 16 | 16 |
| 2004 | 9 | 15 |
| 2005 | 13 | 15 |
| 2006 | 9 | 7 |
| 2007 | 3 | 10 |
| 2008 | 5 | 4 |
| 2009 | 3 | 7 |
| 2010 | 9 | 11 |
| 2011 | 5 | 7 |
| 2012 | 7 | 4 |
| 2013 | 8 | 9 |
| 2014 | 8 | 8 |
| 2015 | 10 | 9 |
| 2016 | 7 | 11 |
| 2017 | 10 | 9 |
| 2018 | 7 | 14 |
| 2019 | 10 | 7 |
| 2020 | 6 | 5 |
| 2021 | 5 | 10 |
| 2022 | 5 | 7 |
| 2023 | 6 | 11 |
| 2024 | 5 | 13 |
| 2025 | 4 | 6 |
| 2026 | 7 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Wearable device for the delivery of focussed light into the body2 Jul 2026US 2026/0183563 A1The Trustees of Columbia University in the City of New York
- Multiple quantum well structure, semiconductor laser and manufacturing method for multiple quantum well structure7 May 2026US 2026/0128571 A1Nippon Telegraph and Telephone Corporation
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Most cited
By later US patents
- Nitride semiconductor light-emitting device and optical device including the same214US 6,858,882 B2Sharp Kabushiki Kaisha · 2005
- Semiconductor micro-resonator device119US 6,009,115 ANorthwestern University · 1999
- Semiconductor micro-resonator device109US 5,926,496 ANorthwestern University · 1999
- Photonic-well Microcavity light emitting devices98US 5,790,583 ANorthwestern University · 1998
- DFB laser diode structure having complex optical grating coupling98US 5,953,361 ASiemens Aktiengesellschaft · 1999