H01S 5/185
Having only horizontal cavities
Official title: having only horizontal cavities, e.g. horizontal cavity surface-emitting lasers [HCSEL] (comprising a photonic bandgap structure H01S5/11)
H01S5/185 (Having only horizontal cavities) appears on 679 US grants and 701 published applications in this corpus.
Search patents in H01S- Granted patents
- 679
- Published applications
- 701
- Assignees
- 288
- Inventors
- 1,181
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 9 | 0 |
| 1989 | 10 | 0 |
| 1990 | 15 | 0 |
| 1991 | 15 | 0 |
| 1992 | 9 | 0 |
| 1993 | 5 | 0 |
| 1994 | 16 | 0 |
| 1995 | 6 | 0 |
| 1996 | 10 | 0 |
| 1997 | 15 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 5 | 20 |
| 2003 | 9 | 11 |
| 2004 | 15 | 14 |
| 2005 | 9 | 17 |
| 2006 | 7 | 9 |
| 2007 | 5 | 10 |
| 2008 | 9 | 21 |
| 2009 | 8 | 18 |
| 2010 | 18 | 26 |
| 2011 | 14 | 15 |
| 2012 | 20 | 22 |
| 2013 | 12 | 24 |
| 2014 | 25 | 22 |
| 2015 | 21 | 35 |
| 2016 | 32 | 35 |
| 2017 | 38 | 42 |
| 2018 | 42 | 43 |
| 2019 | 53 | 61 |
| 2020 | 42 | 45 |
| 2021 | 35 | 42 |
| 2022 | 25 | 34 |
| 2023 | 19 | 46 |
| 2024 | 28 | 29 |
| 2025 | 26 | 28 |
| 2026 | 16 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Vertical cavity surface emitting laser device and method of producing a vertical cavity surface emitting laser device15 Sep 2026US 12,738,714 B2Sony Group Corporation
- Electrical contact8 Sep 2026US 12,731,958 B2Vector Photonics Limited
- Quantum cascade element25 Aug 2026US 12,719,239 B2Kabushiki Kaisha Toshiba
- Tunable wavelength gain chip array for sensing and communication26 May 2026US 12,640,539 B2King Abdullah University of Science and Technology
- Analysis device5 May 2026US 12,620,774 B2Kabushiki Kaisha Toshiba
- Two-dimensional grating surface-emitting laser ("2d-grsel")20 Aug 2026US 2026/0246230 A1
- Laser device, photonic circuit, and photonic assembly13 Aug 2026US 2026/0237961 A1ams-OSRAM International GmbH
- Two-dimensional photonic crystal laser13 Aug 2026US 2026/0237965 A1Kyoto University
- Semiconductor light-emitting device13 Aug 2026US 2026/0239804 A1Hamamatsu Photonics K.K.
- Surface-emitting laser element6 Aug 2026US 2026/0229839 A1Kyoto University
Most cited
By later US patents
- Cylindrical diffraction grating couplers and distributed feedback resonators for guided wave devices185US 4,743,083 A1988
- Spatially coherent surface-emitting, grating coupled quantum cascade laser with unstable resonance cavity133US 6,560,259 B1Applied Optoelectronics, Inc. · 2003
- Multi-wavelength VCSEL array to reduce speckle133US 8,743,923 B2FLIR Systems, Inc. · 2014
- Hybrid two-dimensional surface-emitting laser arrays121US 4,881,237 AMassachusetts Institute of Technology · 1989
- Tuneable photonic crystal lasers and a method of fabricating the same118US 6,711,200 B1California Institute of Technology · 2004