H01S 5/34306
Emitting light at a wavelength longer than 1000nm
Official title: {emitting light at a wavelength longer than 1000nm, e.g. InP based 1300 and 1500nm lasers}
H01S5/34306 (Emitting light at a wavelength longer than 1000nm) appears on 817 US grants and 765 published applications in this corpus.
Search patents in H01S- Granted patents
- 817
- Published applications
- 765
- Assignees
- 266
- Inventors
- 1,360
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 8 | 0 |
| 1991 | 8 | 0 |
| 1992 | 7 | 0 |
| 1993 | 14 | 0 |
| 1994 | 13 | 0 |
| 1995 | 13 | 0 |
| 1996 | 18 | 0 |
| 1997 | 20 | 0 |
| 1998 | 37 | 0 |
| 1999 | 40 | 0 |
| 2000 | 18 | 0 |
| 2001 | 7 | 6 |
| 2002 | 11 | 29 |
| 2003 | 24 | 35 |
| 2004 | 28 | 36 |
| 2005 | 32 | 62 |
| 2006 | 43 | 30 |
| 2007 | 24 | 49 |
| 2008 | 24 | 39 |
| 2009 | 38 | 37 |
| 2010 | 41 | 29 |
| 2011 | 28 | 26 |
| 2012 | 25 | 24 |
| 2013 | 26 | 34 |
| 2014 | 26 | 15 |
| 2015 | 28 | 31 |
| 2016 | 22 | 22 |
| 2017 | 24 | 17 |
| 2018 | 17 | 21 |
| 2019 | 20 | 16 |
| 2020 | 17 | 29 |
| 2021 | 22 | 42 |
| 2022 | 13 | 32 |
| 2023 | 27 | 25 |
| 2024 | 14 | 31 |
| 2025 | 21 | 22 |
| 2026 | 10 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Corrugated buried heterostructure laser and method for fabricating the same25 Aug 2026US 12,719,238 B2National Research Council of Canada
- Semiconductor optical device19 May 2026US 12,633,727 B2NTT, Inc.
- Laser-induced graphene device built on wood, and fabrication method thereof7 Apr 2026US 12,597,751 B2Korea Advanced Institute of Science and Technology
- Ridge type semiconductor optical device31 Mar 2026US 12,592,545 B2LumentumRadiant GmbH
- Weak index guiding of interband cascade lasers24 Mar 2026US 12,586,987 B2The Government of the United States of America, as represented by the Secretary of the Navy
- Vcsel with tunable grating13 Aug 2026US 2026/0237968 A1Bandwidth10, LTD.
- Hcg tunable vcsel with fully oxidized bottom dbr (gaas based vcsel)13 Aug 2026US 2026/0237969 A1Bandwidth10, LTD.
- Flip chip tunable vcsel with hcg on si submount13 Aug 2026US 2026/0237970 A1Bandwidth10, LTD.
- Surface-emitting laser and surface-emitting laser array6 Aug 2026US 2026/0229847 A1Sony Group Corporation
- Optical semiconductor device6 Aug 2026US 2026/0229850 A1Lumentum Operations LLC
Most cited
By later US patents
- Light emitting devices with layered III-V semiconductor structures124US 6,207,973 B1Ricoh Company, Ltd. · 2001
- Semiconductor micro-resonator device119US 6,009,115 ANorthwestern University · 1999
- Semiconductor micro-resonator device109US 5,926,496 ANorthwestern University · 1999
- Semiconductor light-emitting device, surface-emission laser diode, and production apparatus thereof, production method, optical module and optical telecommunication system104US 6,765,232 B2Ricoh Company, Ltd. · 2004
- Photonic-well Microcavity light emitting devices98US 5,790,583 ANorthwestern University · 1998