H01S 5/1206
Having a non constant or multiplicity of periods
Official title: {having a non constant or multiplicity of periods}
H01S5/1206 (Having a non constant or multiplicity of periods) appears on 502 US grants and 481 published applications in this corpus.
Search patents in H01S- Granted patents
- 502
- Published applications
- 481
- Assignees
- 221
- Inventors
- 868
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 8 | 0 |
| 1995 | 10 | 0 |
| 1996 | 6 | 0 |
| 1997 | 12 | 0 |
| 1998 | 8 | 0 |
| 1999 | 12 | 0 |
| 2000 | 14 | 0 |
| 2001 | 9 | 6 |
| 2002 | 11 | 25 |
| 2003 | 19 | 30 |
| 2004 | 28 | 31 |
| 2005 | 20 | 17 |
| 2006 | 21 | 12 |
| 2007 | 6 | 14 |
| 2008 | 10 | 16 |
| 2009 | 15 | 16 |
| 2010 | 16 | 20 |
| 2011 | 10 | 16 |
| 2012 | 14 | 11 |
| 2013 | 15 | 20 |
| 2014 | 17 | 16 |
| 2015 | 18 | 29 |
| 2016 | 25 | 26 |
| 2017 | 28 | 19 |
| 2018 | 20 | 25 |
| 2019 | 24 | 15 |
| 2020 | 14 | 20 |
| 2021 | 18 | 22 |
| 2022 | 13 | 24 |
| 2023 | 14 | 13 |
| 2024 | 18 | 13 |
| 2025 | 7 | 13 |
| 2026 | 3 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Narrow linewidth semiconductor laser8 Sep 2026US 12,731,962 B2Ioptis Corp.
- Semiconductor laser with metal pull-back DBR grating14 Apr 2026US 12,603,480 B2MACOM Technology Solutions Holdings, Inc.
- Optical device and wavelength-tunable laser20 Jan 2026US 12,529,848 B2Furukawa Electric Co., Ltd.
- DFB with weak optical feedback9 Dec 2025US 12,494,619 B2II-Vi Delaware, Inc.
- Tunable semiconductor laser device1 Jul 2025US 12,348,003 B2II-Vi Delaware, Inc.
- Vernier-tuned distributed bragg reflector laser24 Sep 2026US 2026/0291180 A1Lumentum Operations LLC
- Laser and fabrication method therefor10 Sep 2026US 2026/0269566 A1Hisense Broadband Multimedia Technologies Co., Ltd.
- Two-dimensional periodically index-coupled fabry perot laser ("2d pic-fl")27 Aug 2026US 2026/0254200 A1
- Two-dimensional grating surface-emitting laser ("2d-grsel")20 Aug 2026US 2026/0246230 A1
- Laser coupling module9 Jul 2026US 2026/0196804 A1Hon Hai Precision Industry Co., Ltd.
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
- Cylindrical diffraction grating couplers and distributed feedback resonators for guided wave devices185US 4,743,083 A1988
- Multi-section tunable laser with differing multi-element mirrors185US 4,896,325 AThe Regents of the University of California · 1990
- Multiwavelength mode-locked dense wavelength division multiplexed optical communication systems132US 6,014,237 ASarnoff Corporation · 2000