H01S 5/2018
Optical confinement
Official title: {Optical confinement, e.g. absorbing-, reflecting- or waveguide-layers}
H01S5/2018 (Optical confinement) appears on 640 US grants and 721 published applications in this corpus.
Search patents in H01S- Granted patents
- 640
- Published applications
- 721
- Assignees
- 299
- Inventors
- 1,293
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 7 | 0 |
| 2001 | 4 | 7 |
| 2002 | 10 | 15 |
| 2003 | 17 | 9 |
| 2004 | 13 | 17 |
| 2005 | 13 | 22 |
| 2006 | 19 | 20 |
| 2007 | 9 | 17 |
| 2008 | 14 | 15 |
| 2009 | 18 | 15 |
| 2010 | 19 | 21 |
| 2011 | 13 | 35 |
| 2012 | 22 | 29 |
| 2013 | 25 | 32 |
| 2014 | 35 | 20 |
| 2015 | 43 | 39 |
| 2016 | 42 | 27 |
| 2017 | 32 | 33 |
| 2018 | 31 | 25 |
| 2019 | 41 | 37 |
| 2020 | 33 | 35 |
| 2021 | 28 | 40 |
| 2022 | 26 | 45 |
| 2023 | 28 | 53 |
| 2024 | 23 | 41 |
| 2025 | 26 | 40 |
| 2026 | 22 | 32 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Inverted slab-coupled optical waveguide8 Sep 2026US 12,731,964 B2Cisco Technology, Inc.
- Semiconductor laser structure for higher-order mode suppression25 Aug 2026US 12,719,234 B2FreeSpace Photonics, Inc.
- Optical semiconductor device, optical unit, and method for manufacturing optical unit25 Aug 2026US 12,719,237 B2Hamamatsu Photonics K.K.
- Quantum cascade element25 Aug 2026US 12,719,239 B2Kabushiki Kaisha Toshiba
- Quantum cascade laser element, quantum cascade laser device, and method for manufacturing quantum cascade laser element25 Aug 2026US 12,719,240 B2Hamamatsu Photonics K.K.
- Optical nonreciprocal device and optical circuit1 Oct 2026US 2026/0302717 A1Nichia Corporation
- Semiconductor device1 Oct 2026US 2026/0302718 A1NTT, Inc.
- Two-dimensional periodically index-coupled fabry perot laser ("2d pic-fl")27 Aug 2026US 2026/0254200 A1
- Semiconductor optical integrated element20 Aug 2026US 2026/0243952 A1Mitsubishi Electric Corporation
- Two-dimensional grating surface-emitting laser ("2d-grsel")20 Aug 2026US 2026/0246230 A1
Most cited
By later US patents
- Optical device structure using non-polar GaN substrates and growth structures for laser applications in 481 nm190US 8,242,522 B1Soraa, Inc. · 2012
- Optical device structure using GaN substrates and growth structures for laser applications of emissions of 500 nm and greater189US 8,126,024 B1Soraa, Inc. · 2012
- Optical device structure using GaN substrates and growth structures for laser applications189US 8,254,425 B1Soraa, Inc. · 2012
- Optical device structure using GaN substrates and growth structures for laser applications184US 8,294,179 B1Soraa, Inc. · 2012
- Method and system for providing bidirectional light sources with broad spectrum140US 8,451,876 B1Soraa, Inc. · 2013