H04B 10/572
Wavelength control
H04B10/572 (Wavelength control) appears on 796 US grants and 783 published applications in this corpus.
Search patents in H04B- Granted patents
- 796
- Published applications
- 783
- Assignees
- 313
- Inventors
- 1,604
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 7 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 7 | 0 |
| 1996 | 6 | 0 |
| 1997 | 6 | 0 |
| 1998 | 12 | 0 |
| 1999 | 11 | 0 |
| 2000 | 21 | 0 |
| 2001 | 17 | 9 |
| 2002 | 27 | 31 |
| 2003 | 19 | 35 |
| 2004 | 19 | 31 |
| 2005 | 21 | 23 |
| 2006 | 29 | 14 |
| 2007 | 10 | 12 |
| 2008 | 12 | 12 |
| 2009 | 7 | 21 |
| 2010 | 11 | 9 |
| 2011 | 9 | 19 |
| 2012 | 10 | 13 |
| 2013 | 16 | 26 |
| 2014 | 13 | 16 |
| 2015 | 21 | 41 |
| 2016 | 31 | 42 |
| 2017 | 54 | 71 |
| 2018 | 60 | 48 |
| 2019 | 50 | 65 |
| 2020 | 57 | 43 |
| 2021 | 45 | 42 |
| 2022 | 39 | 57 |
| 2023 | 36 | 30 |
| 2024 | 30 | 30 |
| 2025 | 27 | 29 |
| 2026 | 24 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Beat-note stabilized laser with received-power tracker6 Oct 2026US 12,756,474 B2ColdQuanta, Inc.
- Independent channel control in coherent optics6 Oct 2026US 12,756,475 B2Hewlett Packard Enterprise Development LP
- Composition and method for making picocrystalline artificial borane atoms6 Oct 2026US 12,757,646 B2SemiNuclear, Inc.
- Systems and methods for tuning and measuring a device under test using machine learning29 Sep 2026US 12,750,135 B2
- Optical signal monitor, optical wavelength multiplexing transmitter, and method for monitoring optical signal28 Jul 2026US 12,695,505 B2Radiant Patents LLC
- Split-Bus Polarization Interleaving Transmitter24 Sep 2026US 2026/0291617 A1Ayar Labs, Inc.
- Apparatus and method for upstream transmission in a coherent pon13 Aug 2026US 2026/0238348 A1Nokia Solutions and Networks Oy
- Tunable laser, photoelectric conversion module, and communication system30 Jul 2026US 2026/0221720 A1Huawei Technologies Co., Ltd.
- Optimized control bus for photonic resonator control30 Jul 2026US 2026/0222073 A1Hewlett Packard Enterprise Development LP
- Optical Source Monitoring in Optical Communication System2 Jul 2026US 2026/0189308 A1Ayar Labs, Inc.
Most cited
By later US patents
- Crosstalk-free signal source for dense wavelength division multiplexed systems308US 6,233,080 B1Ciena Corporation · 2001
- High performance data paths176US 6,301,637 B1Storage Technology Corporation · 2001
- Chirped-pulse multiple wavelength telecommunications system147US 5,631,758 ALucent Technologies Inc. · 1997
- Multiwavelength simultaneous monitoring circuit employing arrayed-waveguide grating133US 5,617,234 ANippon Telegraph and Telephone Corporation · 1997
- Method and apparatus for controlling the wavelength of a laser120US 6,222,861 B1Photonic Solutions, Inc. · 2001