H04B 10/25253
With dispersion management, i.e. using a combination of different kind of fibres
Official title: {with dispersion management, i.e. using a combination of different kind of fibres in the transmission system}
H04B10/25253 (With dispersion management, i.e. using a combination of different kind of fibres) appears on 198 US grants and 149 published applications in this corpus.
Search patents in H04B- Granted patents
- 198
- Published applications
- 149
- Assignees
- 74
- Inventors
- 348
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 8 | 0 |
| 1998 | 2 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 14 | 9 |
| 2002 | 16 | 23 |
| 2003 | 19 | 21 |
| 2004 | 26 | 26 |
| 2005 | 17 | 12 |
| 2006 | 15 | 13 |
| 2007 | 9 | 7 |
| 2008 | 13 | 7 |
| 2009 | 7 | 6 |
| 2010 | 5 | 4 |
| 2011 | 2 | 2 |
| 2012 | 1 | 2 |
| 2013 | 4 | 2 |
| 2014 | 4 | 1 |
| 2015 | 2 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 2 |
| 2018 | 0 | 0 |
| 2019 | 2 | 2 |
| 2020 | 2 | 2 |
| 2021 | 0 | 2 |
| 2022 | 3 | 1 |
| 2023 | 1 | 2 |
| 2024 | 1 | 0 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Comb-based wavelength division multiplexing21 Jul 2026US 12,689,458 B2Nokia Solutions and Networks Oy
- Digital filter arrangement for compensating group velocity dispersion in an optical transmission system4 Nov 2025US 12,463,723 B2Huawei Technologies Co., Ltd.
- Dispersing data rate to mitigate electromagnetic interference20 Aug 2024US 12,068,783 B2Cisco Technology, Inc.
- Optical communication device, optical transmission system, wavelength converter, and optical communication method6 Jun 2023US 11,668,870 B2Fujitsu Limited
- O-band optical communication system with dispersion compensation10 May 2022US 11,329,723 B2CommScope Technologies LLC
- Optical communication assembly, optical communication device, and optical communication system17 Sep 2026US 2026/0280711 A1
- Comb-based wavelength division multiplexing25 Sep 2025US 2025/0300754 A1Nokia Solutions and Networks Oy
- Digital Filter Arrangement for Compensating Group Velocity Dispersion in an Optical Transmission System27 Apr 2023US 2023/0129067 A1Huawei Technologies Co., Ltd.
- System and method for dispersion compensation in fibered optical communication paths16 Mar 2023US 2023/0084066 A1Huawei Technologies Co., Ltd.
- Dispersing data rate to mitigate electromagnetic interference16 Jun 2022US 2022/0190919 A1Cisco Technology, Inc.
Most cited
By later US patents
- Dispersion compensating devices and systems193US 5,361,319 ACorning Incorporated · 1994
- Optical signal varying devices104US 6,115,174 ACorvis Corporation · 2000
- Optical transmission system99US 6,307,985 B1Micro Therapeutics, Inc. · 2001
- Chromatic dispersion compensating fiber98US 7,483,613 B2Draka Comteq B.V. · 2009
- Multi-stage optical amplifier and broadband communication system81US 6,359,725 B1Xtera Communications, Inc. · 2002