H04B 10/25133
Including a lumped electrical or optical dispersion compensator
Official title: {including a lumped electrical or optical dispersion compensator (H04B10/2519, H04B10/2525 takes precedence)}
H04B10/25133 (Including a lumped electrical or optical dispersion compensator) appears on 454 US grants and 431 published applications in this corpus.
Search patents in H04B- Granted patents
- 454
- Published applications
- 431
- Assignees
- 175
- Inventors
- 951
- Latest grant
- 6 Oct 2026
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| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
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| 1990 | 2 | 0 |
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| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
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| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 13 | 0 |
| 2000 | 6 | 0 |
| 2001 | 19 | 17 |
| 2002 | 14 | 27 |
| 2003 | 21 | 31 |
| 2004 | 23 | 39 |
| 2005 | 28 | 40 |
| 2006 | 29 | 35 |
| 2007 | 19 | 19 |
| 2008 | 30 | 24 |
| 2009 | 19 | 31 |
| 2010 | 21 | 21 |
| 2011 | 15 | 24 |
| 2012 | 19 | 15 |
| 2013 | 23 | 9 |
| 2014 | 24 | 8 |
| 2015 | 14 | 10 |
| 2016 | 9 | 6 |
| 2017 | 12 | 15 |
| 2018 | 11 | 6 |
| 2019 | 10 | 10 |
| 2020 | 7 | 9 |
| 2021 | 7 | 6 |
| 2022 | 5 | 5 |
| 2023 | 9 | 8 |
| 2024 | 4 | 1 |
| 2025 | 2 | 9 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Chromatic dispersion estimation method for coherent optical network6 Oct 2026US 12,756,467 B1Cable Television Laboratories, Inc.
- Dispersion compensating discrete phase filters23 Jun 2026US 12,665,668 B2Fonex Data Systems Inc.
- Dispersion management method and system for optical transceivers14 Apr 2026US 12,603,706 B1Linktel Technologies Co., Ltd.
- Optical transceiver with dispersion management7 Apr 2026US 12,597,999 B1Linktel Technologies Co., Ltd.
- Chromatic dispersion pre-compensation over bi-directional optical link7 Oct 2025US 12,438,616 B2Huawei Technologies Co., Ltd.
- Multi-carrier signal waveform equalization circuit and multi-carrier signal waveform equalization method10 Sep 2026US 2026/0269951 A1NTT, Inc.
- Apparatus and method for equalizer training in a coherent receiver27 Aug 2026US 2026/0254680 A1Nokia Solutions and Networks Oy
- Dispersion managed transceiver, modulator and dispersion compensation method23 Jul 2026US 2026/0213842 A1Linktel Technologies Co., Ltd.
- Pilot-assisted fiber length estimation23 Apr 2026US 2026/0113114 A1Marvell Asia Pte Ltd
- Dispersion Compensator and Method of Dispersion Compensation19 Mar 2026US 2026/0081691 A1II-Vi Delaware, Inc.
Most cited
By later US patents
- Apparatus and method for delivery of dispersion-compensated ultrashort optical pulses with high peak power220US 6,249,630 B1Imra America, Inc. · 2001
- Chromatic dispersion compensation device172US 6,519,065 B1JDS Fitel Inc. · 2003
- Optimized optical transmission system for high capacity transmission129US 5,717,510 AFujitsu Limited · 1998
- Apparatus and method for delivery of dispersion compensated ultrashort optical pulses with high peak power127US 5,862,287 AImra America, Inc. · 1999
- Method and system for testing a tunable chromatic dispersion, dispersion slope, and polarization mode dispersion compensator utilizing a virtually imaged phased array127US 6,441,959 B1Avanex Corporation · 2002