H01S 5/06255
Controlling the frequency of the radiation
Official title: {Controlling the frequency of the radiation}
H01S5/06255 (Controlling the frequency of the radiation) appears on 926 US grants and 812 published applications in this corpus.
Search patents in H01S- Granted patents
- 926
- Published applications
- 812
- Assignees
- 290
- Inventors
- 1,367
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 9 | 0 |
| 1989 | 15 | 0 |
| 1990 | 11 | 0 |
| 1991 | 10 | 0 |
| 1992 | 14 | 0 |
| 1993 | 12 | 0 |
| 1994 | 20 | 0 |
| 1995 | 15 | 0 |
| 1996 | 17 | 0 |
| 1997 | 18 | 0 |
| 1998 | 21 | 0 |
| 1999 | 16 | 0 |
| 2000 | 20 | 0 |
| 2001 | 17 | 8 |
| 2002 | 11 | 29 |
| 2003 | 29 | 60 |
| 2004 | 47 | 39 |
| 2005 | 26 | 54 |
| 2006 | 46 | 34 |
| 2007 | 20 | 29 |
| 2008 | 33 | 26 |
| 2009 | 32 | 35 |
| 2010 | 31 | 46 |
| 2011 | 31 | 37 |
| 2012 | 35 | 21 |
| 2013 | 20 | 37 |
| 2014 | 28 | 17 |
| 2015 | 32 | 43 |
| 2016 | 32 | 31 |
| 2017 | 43 | 30 |
| 2018 | 26 | 33 |
| 2019 | 31 | 26 |
| 2020 | 27 | 40 |
| 2021 | 27 | 43 |
| 2022 | 19 | 24 |
| 2023 | 25 | 18 |
| 2024 | 21 | 23 |
| 2025 | 20 | 17 |
| 2026 | 11 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Tunable laser diode7 Jul 2026US 12,676,454 B2NTT, Inc.
- Optical signal transmitter30 Jun 2026US 12,671,229 B2NTT, Inc.
- Bandwith enhanced DFB+R lite laser23 Jun 2026US 12,665,387 B2II-Vi Delaware, Inc.
- Semiconductor laser element, semiconductor laser device, semiconductor laser device manufacturing method, and gas analysis device26 May 2026US 12,640,538 B2Horiba, Ltd.
- Light source for frequency-modulated continuous wave (FMCW) LiDAR device28 Apr 2026US 12,613,316 B2Microvision, Inc.
- Lateral grounding structure for frequency noise reduction in laser waveguides8 Oct 2026US 2026/0312362 A1Lumentum Operations LLC
- Laser device1 Oct 2026US 2026/0302727 A1Nichia Corporation
- Two-dimensional photonic crystal laser13 Aug 2026US 2026/0237965 A1Kyoto University
- Tunable laser, photoelectric conversion module, and communication system30 Jul 2026US 2026/0221720 A1Huawei Technologies Co., Ltd.
- Ultra-broadband laser2 Jul 2026US 2026/0188975 A1Cisco Technology, Inc.
Most cited
By later US patents
- Method and apparatus for performing optical frequency domain reflectometry488US 6,160,826 AMassachusetts Institute of Technology · 2000
- Method and apparatus for performing optical measurements using a rapidly frequency-tuned laser478US 5,956,355 AMassachusetts Institute of Technology · 1999
- Multi-section tunable laser with differing multi-element mirrors185US 4,896,325 AThe Regents of the University of California · 1990
- Integrated semiconductor light emitting element with oscillation wavelength and phase modulated light output120US 4,720,835 AKokusai Denshin Denwa Kabushiki Kaisha · 1988
- Tuneable photonic crystal lasers and a method of fabricating the same118US 6,711,200 B1California Institute of Technology · 2004