H04B 10/255
Self-phase modulation [spm]
Official title: Self-phase modulation [SPM]
H04B10/255 (Self-phase modulation [spm]) appears on 64 US grants and 36 published applications in this corpus.
Search patents in H04B- Granted patents
- 64
- Published applications
- 36
- Assignees
- 26
- Inventors
- 95
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 6 | 0 |
| 1998 | 6 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 2 |
| 2002 | 3 | 2 |
| 2003 | 2 | 2 |
| 2004 | 0 | 1 |
| 2005 | 2 | 2 |
| 2006 | 4 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 2 |
| 2009 | 0 | 1 |
| 2010 | 2 | 2 |
| 2011 | 1 | 0 |
| 2012 | 2 | 3 |
| 2013 | 0 | 1 |
| 2014 | 2 | 0 |
| 2015 | 1 | 3 |
| 2016 | 2 | 1 |
| 2017 | 2 | 4 |
| 2018 | 1 | 3 |
| 2019 | 2 | 0 |
| 2020 | 3 | 2 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 2 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- USPL-FSO lasercom point-to-point and point-to-multipoint optical wireless communication30 Sep 2025US RE50,610 E1Attochron, LLC
- Serial hybrid downhole telemetry networks19 Dec 2023US 11,846,182 B2Baker Hughes Oilfield Operations LLC
- Serial hybrid downhole telemetry networks10 Jan 2023US 11,549,368 B2Baker Hughes Oilfield Operations LLC
- Apparatus and method for nonlinear equalization based on absolute operation30 Mar 2021US 10,965,380 B1Korea Advanced Institute of Science and Technology
- Adjustment of control parameters of section of optical fiber network22 Sep 2020US 10,784,980 B2Ciena Corporation
- Minimizing phase-delay-induced signal loss in optical fibers19 Mar 2026US 2026/0081682 A1AT&T Communications Services India Private Limited
- Optical phase change apparatus and method of changing a phase of an optical signal17 Oct 2024US 2024/0348336 A1Xanadu Quantum Technologies Inc.
- Serial Hybrid Downhole Telemetry Networks2 Feb 2023US 2023/0033517 A1Baker Hughes Oilfield Operations LLC
- Serial Hybrid Downhole Telemetry Networks15 Oct 2020US 2020/0325769 A1Baker Hughes Oilfield Operations LLC
- Adjustment of Control Parameters of Section of Optical Fiber Network30 Jan 2020US 2020/0036468 A1Ciena Corporation
Most cited
By later US patents
- Optimized optical transmission system for high capacity transmission129US 5,717,510 AFujitsu Limited · 1998
- Optical wavelength multiplex transmission method and optical dispersion compensation method60US 5,696,614 AFujitsu Limited · 1997
- System and method for simultaneously compensating for chromatic dispersion and self phase modulation in optical fibers51US 5,539,563 AAT&T Corp. · 1996
- Optical transmission system, optical multiplexing transmission system, and related peripheral techniques47US 5,991,477 AFujitsu Limited · 1999
- System of long-distance digital transmission by optical fiber with compensation for distortions at source of transmission46US 5,373,382 AFrance Telecom · 1994