H01S 5/1053
Comprising an active region having a varying composition or cross-section in a
Official title: {Comprising an active region having a varying composition or cross-section in a specific direction}
H01S5/1053 (Comprising an active region having a varying composition or cross-section in a) appears on 564 US grants and 392 published applications in this corpus.
Search patents in H01S- Granted patents
- 564
- Published applications
- 392
- Assignees
- 252
- Inventors
- 1,122
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 8 | 0 |
| 1989 | 10 | 0 |
| 1990 | 7 | 0 |
| 1991 | 2 | 0 |
| 1992 | 7 | 0 |
| 1993 | 14 | 0 |
| 1994 | 4 | 0 |
| 1995 | 9 | 0 |
| 1996 | 16 | 0 |
| 1997 | 17 | 0 |
| 1998 | 21 | 0 |
| 1999 | 21 | 0 |
| 2000 | 26 | 0 |
| 2001 | 21 | 9 |
| 2002 | 31 | 29 |
| 2003 | 26 | 31 |
| 2004 | 27 | 15 |
| 2005 | 20 | 13 |
| 2006 | 8 | 8 |
| 2007 | 9 | 13 |
| 2008 | 9 | 12 |
| 2009 | 11 | 15 |
| 2010 | 13 | 15 |
| 2011 | 12 | 15 |
| 2012 | 13 | 19 |
| 2013 | 20 | 6 |
| 2014 | 14 | 11 |
| 2015 | 13 | 13 |
| 2016 | 9 | 6 |
| 2017 | 10 | 18 |
| 2018 | 10 | 19 |
| 2019 | 16 | 14 |
| 2020 | 22 | 21 |
| 2021 | 8 | 21 |
| 2022 | 12 | 18 |
| 2023 | 15 | 19 |
| 2024 | 6 | 16 |
| 2025 | 19 | 10 |
| 2026 | 9 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Broadened spectrum laser diode for display device29 Sep 2026US 12,749,869 B2Microsoft Technology Licensing, LLC
- Laser device and method of achieving optical gain with colloidal quantum fountains16 Jun 2026US 12,658,665 B2Uchicago Argonne, LLC
- Segmented contact for current control in semiconductor lasers and optical amplifiers16 Jun 2026US 12,658,671 B2Freedom Photonics LLC
- Opto-electronic device16 Jun 2026US 12,658,677 B2Nokia Solutions and Networks Oy
- Optical circuit21 Apr 2026US 12,607,804 B2NTT, Inc.
- Colloidal bulk nanocrystal laser and related method23 Jul 2026US 2026/0213493 A1Imec Vzw
- Semiconductor optical amplifier28 May 2026US 2026/0149241 A1Sumitomo Electric Industries, Ltd.
- Refractive index engineering for brightness enhancement and kink suppression in optical emitting devices5 Feb 2026US 2026/0039088 A1II-Vi Delaware, Inc.
- Semiconductor laser5 Feb 2026US 2026/0039090 A1Lumentum Japan, Inc.
- Semiconductor Device With Selective Area Epitaxy Growth Utilizing a Mask to Suppress or Enhance Growth at the Edges5 Feb 2026US 2026/0039091 A1Ciena Corporation
Most cited
By later US patents
- Semiconductor laser device, and method of manufacturing the same236US 7,470,555 B2Nichia Corporation · 2008
- Differential waveguide pair121US 6,393,185 B1Sparkolor Corporation · 2002
- Thermal compensators for waveguide DBR laser sources118US 5,870,417 ASDL, Inc. · 1999
- Photonic integrated detector having a plurality of asymmetric waveguides114US 6,330,378 B1The Trustees of Princeton University · 2001
- Frequency converted laser diode and lens system therefor110US 5,321,718 ASDL, Inc. · 1994