H04B 10/2525
Using dispersion-compensating fibres
Official title: using dispersion-compensating fibres
H04B10/2525 (Using dispersion-compensating fibres) appears on 431 US grants and 305 published applications in this corpus.
Search patents in H04B- Granted patents
- 431
- Published applications
- 305
- Assignees
- 122
- Inventors
- 683
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 6 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 10 | 0 |
| 1997 | 11 | 0 |
| 1998 | 18 | 0 |
| 1999 | 19 | 0 |
| 2000 | 18 | 0 |
| 2001 | 27 | 18 |
| 2002 | 35 | 50 |
| 2003 | 40 | 49 |
| 2004 | 54 | 51 |
| 2005 | 37 | 29 |
| 2006 | 30 | 22 |
| 2007 | 19 | 12 |
| 2008 | 24 | 9 |
| 2009 | 11 | 9 |
| 2010 | 6 | 4 |
| 2011 | 2 | 2 |
| 2012 | 3 | 4 |
| 2013 | 5 | 3 |
| 2014 | 4 | 1 |
| 2015 | 3 | 1 |
| 2016 | 2 | 1 |
| 2017 | 0 | 4 |
| 2018 | 1 | 1 |
| 2019 | 5 | 6 |
| 2020 | 3 | 3 |
| 2021 | 4 | 7 |
| 2022 | 6 | 3 |
| 2023 | 3 | 8 |
| 2024 | 4 | 1 |
| 2025 | 3 | 6 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Comb-based wavelength division multiplexing21 Jul 2026US 12,689,458 B2Nokia Solutions and Networks Oy
- Optical receiving apparatus and optical receiving method using changing coefficient values for fast fourier transform30 Jun 2026US 12,671,498 B2NTT, Inc.
- Optical transceiver with dispersion management7 Apr 2026US 12,597,999 B1Linktel Technologies Co., Ltd.
- Optical transmission system, optical receiver, optical transmitter, control method and program17 Mar 2026US 12,580,654 B2NTT, Inc.
- Full control of polarisation in fibre delivered light for harsh environments25 Nov 2025US 12,483,330 B2National Research Council of Canada
- Optical communication assembly, optical communication device, and optical communication system17 Sep 2026US 2026/0280711 A1
- Optical waveguide device and optical network25 Dec 2025US 2025/0389898 A1Huawei Technologies Co., Ltd.
- Comb-based wavelength division multiplexing25 Sep 2025US 2025/0300754 A1Nokia Solutions and Networks Oy
- Dispersion compensable cwdm mux28 Aug 2025US 2025/0274215 A1II-Vi Delaware, Inc.
- Optical transmission system, optical receiver, optical transmitter, control method and program10 Jul 2025US 2025/0226884 A1Nippon Telegraph and Telephone Corporation
Most cited
By later US patents
- Dispersion compensating devices and systems193US 5,361,319 ACorning Incorporated · 1994
- Optimized optical transmission system for high capacity transmission129US 5,717,510 AFujitsu Limited · 1998
- Multiple wavelength division multiplexing signal compensation system and method using same120US 5,224,183 AAlcatel Network Systems, Inc. · 1993
- Optical signal varying devices104US 6,115,174 ACorvis Corporation · 2000
- Optical fiber dispersion compensation101US 5,887,093 ALucent Technologies Inc. · 1999