H01S 5/22
Having a ridge or stripe structure
Official title: having a ridge or stripe structure
H01S5/22 (Having a ridge or stripe structure) appears on 4,644 US grants and 3,951 published applications in this corpus.
Search patents in H01S- Granted patents
- 4,644
- Published applications
- 3,951
- Assignees
- 766
- Inventors
- 5,140
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 5 | 0 |
| 1978 | 9 | 0 |
| 1979 | 11 | 0 |
| 1980 | 14 | 0 |
| 1981 | 16 | 0 |
| 1982 | 28 | 0 |
| 1983 | 18 | 0 |
| 1984 | 28 | 0 |
| 1985 | 24 | 0 |
| 1986 | 32 | 0 |
| 1987 | 57 | 0 |
| 1988 | 70 | 0 |
| 1989 | 82 | 0 |
| 1990 | 75 | 0 |
| 1991 | 67 | 0 |
| 1992 | 73 | 0 |
| 1993 | 78 | 0 |
| 1994 | 100 | 0 |
| 1995 | 84 | 0 |
| 1996 | 81 | 0 |
| 1997 | 65 | 0 |
| 1998 | 99 | 0 |
| 1999 | 82 | 0 |
| 2000 | 77 | 0 |
| 2001 | 86 | 61 |
| 2002 | 89 | 154 |
| 2003 | 151 | 169 |
| 2004 | 154 | 199 |
| 2005 | 137 | 247 |
| 2006 | 172 | 190 |
| 2007 | 119 | 206 |
| 2008 | 108 | 214 |
| 2009 | 171 | 188 |
| 2010 | 217 | 180 |
| 2011 | 144 | 152 |
| 2012 | 124 | 125 |
| 2013 | 142 | 128 |
| 2014 | 134 | 96 |
| 2015 | 137 | 118 |
| 2016 | 109 | 101 |
| 2017 | 112 | 126 |
| 2018 | 134 | 147 |
| 2019 | 140 | 149 |
| 2020 | 159 | 167 |
| 2021 | 127 | 180 |
| 2022 | 98 | 155 |
| 2023 | 110 | 169 |
| 2024 | 111 | 134 |
| 2025 | 98 | 120 |
| 2026 | 80 | 76 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01S 5/2205Comprising special burying or current confinement layers1,569
- H01S 5/223Buried stripe structure1,339
- H01S 5/227Buried mesa structure1,332
- H01S 5/2201In a specific crystallographic orientation450
- H01S 5/2202By making a groove in the upper laser structure108
- H01S 5/2203With a transverse junction stripe [tjs] structure48
Recent patents
- Photonic crystal surface light-emitting laser element6 Oct 2026US 12,756,157 B2Kyoto University
- Composition and method for making picocrystalline artificial borane atoms6 Oct 2026US 12,757,646 B2SemiNuclear, Inc.
- Ridge waveguide laser with dielectric current confinement29 Sep 2026US 12,749,872 B2Applied Optoelectronics, Inc.
- Semiconductor optical device with a buried heterostructure (BH) having reduced parasitic capacitance and reduced inter-diffusion15 Sep 2026US 12,738,715 B2Applied Optoelectronics, Inc.
- Method for producing a plurality of semiconductor lasers, and semiconductor laser8 Sep 2026US 12,731,955 B2ams-OSRAM International GmbH
- Lateral grounding structure for frequency noise reduction in laser waveguides8 Oct 2026US 2026/0312362 A1Lumentum Operations LLC
- Semiconductor device1 Oct 2026US 2026/0302718 A1NTT, Inc.
- Semiconductor optical device24 Sep 2026US 2026/0291183 A1Lumentum Japan, Inc.
- Edge-emitting laser diode, related apparatuses, data storage devices, systems, and methods24 Sep 2026US 2026/0291184 A1Seagate Technology LLC
- Light-emitting semiconductor device, optoelectronic component, projection device and electronic device17 Sep 2026US 2026/0280226 A1ams-OSRAM International GmbH
Most cited
By later US patents
- Method of growing nitride semiconductors, nitride semiconductor substrate and nitride semiconductor device643US 6,153,010 ANichia Chemical Industries, Ltd. · 2000
- Nitride semiconductor element and production method for nitride semiconductor element498US 6,818,465 B2Sony Corporation · 2004
- Light-emitting semiconductor device462US 5,696,389 AKabushiki Kaisha Toshiba · 1997
- Semiconductor light emitting device and semiconductor laser289US 6,680,959 B2Rohm Co., Ltd. · 2004
- Semiconductor substrate, semiconductor device and method of manufacturing the same275US 6,069,394 AMatsushita Electronics Corporation · 2000