H01S 5/0078
For frequency filtering
Official title: {for frequency filtering}
H01S5/0078 (For frequency filtering) appears on 238 US grants and 287 published applications in this corpus.
Search patents in H01S- Granted patents
- 238
- Published applications
- 287
- Assignees
- 178
- Inventors
- 644
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 1 |
| 2002 | 3 | 1 |
| 2003 | 3 | 1 |
| 2004 | 1 | 8 |
| 2005 | 3 | 11 |
| 2006 | 8 | 7 |
| 2007 | 5 | 6 |
| 2008 | 3 | 7 |
| 2009 | 5 | 4 |
| 2010 | 6 | 8 |
| 2011 | 3 | 9 |
| 2012 | 3 | 7 |
| 2013 | 8 | 8 |
| 2014 | 5 | 12 |
| 2015 | 15 | 15 |
| 2016 | 17 | 22 |
| 2017 | 21 | 15 |
| 2018 | 18 | 19 |
| 2019 | 19 | 18 |
| 2020 | 19 | 20 |
| 2021 | 13 | 22 |
| 2022 | 11 | 14 |
| 2023 | 11 | 11 |
| 2024 | 7 | 16 |
| 2025 | 18 | 16 |
| 2026 | 3 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electrically tunable optical resonator on a chip for fast tunable integrated lasers25 Aug 2026US 12,717,177 B2Ecole Polytechnique Federale De Lausanne (Epfl)
- Semiconductor mode-locked laser dual comb system14 Jul 2026US 12,683,358 B2Imec Vzq
- Time-of-flight sensor and manufacturing method thereof14 Apr 2026US 12,603,472 B2Reco Biotek Co., Ltd
- Laser chip, injection-locked laser, and network device18 Nov 2025US 12,476,709 B2Huawei Technologies Co., Ltd.
- Raman optical amplifier with fabry-perot pump laser4 Nov 2025US 12,463,396 B2Fujitsu Limited
- Laser source having a plurality of spectral lines separated by a determined spectral interval3 Sep 2026US 2026/0261091 A1Scintil Photonics
- Generating a plurality of pulse trains from a micro comb laser13 Aug 2026US 2026/0238374 A1NEWPHOTONICS Ltd.
- Optical intensity modulation apparatus and laser systems2 Jul 2026US 2026/0189306 A1Nkt Photonics A/S
- Luminophore, method for producing a luminophore and radiation-emitting component7 May 2026US 2026/0125595 A1ams-OSRAM International GmbH
- Light-emitting device9 Apr 2026US 2026/0100554 A1Nichia Corporation
Most cited
By later US patents
- Method and apparatus for performing optical imaging using frequency-domain interferometry229US 7,733,497 B2The General Hospital Corporation · 2010
- Method and apparatus for performing optical imaging using frequency-domain interferometry88US 7,969,578 B2The General Hospital Corporation · 2011
- Tunable multi-loop opto-electronic oscillator with tunable RF or microwave filter based on optical filtering61US 7,460,746 B2OEwaves, Inc. · 2008
- Method and apparatus for performing optical imaging using frequency-domain interferometry53US 8,384,909 B2The General Hospital Corporation · 2013
- Monitoring and control assembly for wavelength stabilized optical system50US 6,233,263 B1Bandwidth9, Inc. · 2001