H01S 5/1237
Lateral grating, i.e. grating only adjacent ridge or mesa
Official title: {Lateral grating, i.e. grating only adjacent ridge or mesa}
H01S5/1237 (Lateral grating, i.e. grating only adjacent ridge or mesa) appears on 110 US grants and 129 published applications in this corpus.
Search patents in H01S- Granted patents
- 110
- Published applications
- 129
- Assignees
- 106
- Inventors
- 318
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 3 |
| 2002 | 0 | 1 |
| 2003 | 2 | 2 |
| 2004 | 3 | 4 |
| 2005 | 0 | 4 |
| 2006 | 5 | 6 |
| 2007 | 3 | 2 |
| 2008 | 2 | 9 |
| 2009 | 5 | 5 |
| 2010 | 7 | 4 |
| 2011 | 2 | 5 |
| 2012 | 2 | 6 |
| 2013 | 4 | 1 |
| 2014 | 8 | 4 |
| 2015 | 2 | 6 |
| 2016 | 4 | 6 |
| 2017 | 1 | 9 |
| 2018 | 9 | 9 |
| 2019 | 8 | 4 |
| 2020 | 4 | 4 |
| 2021 | 4 | 10 |
| 2022 | 6 | 7 |
| 2023 | 4 | 6 |
| 2024 | 1 | 2 |
| 2025 | 6 | 8 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Semiconductor laser, optical transmitter component, optical line terminal, and optical network unit3 Feb 2026US 12,542,423 B2Huawei Technologies Co., Ltd.
- Two-dimensional grating surface-emitting laser ("2d-grsel")20 Aug 2026US 2026/0246230 A1
- Light emitting structure of edge emitting semiconductor, and method for manufacturing same2 Jul 2026US 2026/0188979 A1Everbright Institute of Semiconductor Photonics Co., Ltd.
- Distributed Feedback (DFB) Interband Cascade Lasers With Hybrid Cladding Layers6 Nov 2025US 2025/0343394 A1The Board of Regents of the University of Oklahoma
- Semiconductor optical device and fabrication method18 Sep 2025US 2025/0293480 A1Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Degenerate Distributed Feedback Lasers11 Sep 2025US 2025/0286348 A1
Most cited
By later US patents
- High power semiconductor lasers42US 4,783,788 ALytel Incorporated · 1988
- Distributed feedback lasers29US 5,329,542 ABritish Telecommunications Public Ltd.Co. · 1994
- Semiconductor ridge waveguide laser with lateral current injection22US 5,563,902 ASamsung Electronics Co., Ltd. · 1996
- Ridge waveguide optical devices20US 4,805,184 ABritish Telecommunications plc · 1989
- Optical amplification and light emitting element20US 6,535,537 B1Kabushiki Kaisha Toshiba · 2003