H04B 10/2572
Due to forms of polarisation-dependent distortion other than pmd
Official title: {due to forms of polarisation-dependent distortion other than PMD}
H04B10/2572 (Due to forms of polarisation-dependent distortion other than pmd) appears on 259 US grants and 201 published applications in this corpus.
Search patents in H04B- Granted patents
- 259
- Published applications
- 201
- Assignees
- 122
- Inventors
- 531
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 9 | 0 |
| 1995 | 4 | 0 |
| 1996 | 8 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 8 | 0 |
| 2000 | 7 | 0 |
| 2001 | 10 | 0 |
| 2002 | 10 | 16 |
| 2003 | 9 | 20 |
| 2004 | 10 | 9 |
| 2005 | 12 | 12 |
| 2006 | 10 | 6 |
| 2007 | 11 | 6 |
| 2008 | 8 | 3 |
| 2009 | 3 | 4 |
| 2010 | 5 | 4 |
| 2011 | 4 | 17 |
| 2012 | 5 | 9 |
| 2013 | 11 | 9 |
| 2014 | 10 | 12 |
| 2015 | 18 | 4 |
| 2016 | 2 | 5 |
| 2017 | 13 | 10 |
| 2018 | 10 | 8 |
| 2019 | 5 | 5 |
| 2020 | 8 | 9 |
| 2021 | 7 | 5 |
| 2022 | 9 | 6 |
| 2023 | 5 | 6 |
| 2024 | 6 | 8 |
| 2025 | 6 | 6 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- I/Q coding method for SDM communication system over optical fibre26 May 2026US 12,640,832 B2Mimopt Technology
- I/Q coding method for WDM communication system over optical fibre24 Mar 2026US 12,587,302 B2Mimopt Technology
- Method for polarization compensation and free-space optical communication system for aircraft10 Feb 2026US 12,549,260 B2Airbus SAS
- Device and methods for real-time polarization-dependent loss monitoring at coherent transceivers6 Jan 2026US 12,519,541 B2Huawei Technologies Co., Ltd.
- Full control of polarisation in fibre delivered light for harsh environments25 Nov 2025US 12,483,330 B2National Research Council of Canada
- Systems and methods for improving performance and reliability of a fiber optic network30 Apr 2026US 2026/0121741 A1Lumetec Inc.
- Iq dense coding method and device for sdm communication system on optical fiber12 Feb 2026US 2026/0046030 A1Mimopt Technology
- Integrated polarization controller with optical attenuator for crosstalk and power fluctuation reduction25 Sep 2025US 2025/0300732 A1Lumentum Operations LLC
- Polarization fluctuation detection method, polarization fluctuation detection apparatus, and polarization fluctuation detection system25 Sep 2025US 2025/0300733 A1NEC Corporation
- I/q coding method for wdm communication system over optical fibre1 May 2025US 2025/0141589 A1Mimopt Technology
Most cited
By later US patents
- Data storage system having an optical processing flying head147US 6,781,927 B1Seagate Technology LLC · 2004
- Offset optics for use with optical heads146US 6,178,150 B1Seagate Technology LLC · 2001
- High performance polarization controller and polarization sensor82US 6,373,614 B1Cambridge Research & Instrumentation, Inc. · 2002
- Optical transmission system73US 5,949,560 ANorthern Telecom Limited · 1999
- Method and apparatus for compensating dispersion of polarization68US 5,473,457 ANEC Corporation · 1995