H04J 14/0275
Using an optical service channel
Official title: {using an optical service channel}
H04J14/0275 (Using an optical service channel) appears on 207 US grants and 222 published applications in this corpus.
Search patents in H04J- Granted patents
- 207
- Published applications
- 222
- Assignees
- 70
- Inventors
- 411
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 1 | 0 |
| 2002 | 0 | 2 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 3 |
| 2006 | 0 | 4 |
| 2007 | 0 | 2 |
| 2008 | 1 | 1 |
| 2009 | 3 | 8 |
| 2010 | 4 | 11 |
| 2011 | 3 | 14 |
| 2012 | 13 | 27 |
| 2013 | 17 | 17 |
| 2014 | 27 | 16 |
| 2015 | 20 | 18 |
| 2016 | 15 | 10 |
| 2017 | 18 | 10 |
| 2018 | 9 | 14 |
| 2019 | 17 | 9 |
| 2020 | 15 | 20 |
| 2021 | 18 | 12 |
| 2022 | 8 | 7 |
| 2023 | 8 | 9 |
| 2024 | 4 | 4 |
| 2025 | 2 | 3 |
| 2026 | 3 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Method for equalization in an access network of passive optical network type, computer program product, optical line termination and optical network unit corresponding thereto17 Mar 2026US 12,580,653 B2Orange
- Out-of-band communication channel for subcarrier-based optical communication systems17 Mar 2026US 12,580,657 B2Infinera Corporation
- Optical communication device, optical access system and optical communication method20 Jan 2026US 12,531,633 B2NTT, Inc.
- Optical power value transmission method and system, and related device19 Aug 2025US 12,395,239 B2Huawei Technologies Co., Ltd.
- Orchestration control protocol22 Jul 2025US 12,368,525 B2Infinera Corporation
- Pair routing between undersea fiber optic cables13 Aug 2026US 2026/0235815 A1Subcom, LLC
- Optical transmission system and control signal transmitting and receiving method9 Oct 2025US 2025/0317234 A1Nippon Telegraph and Telephone Corporation
- Pluggable optical channel monitor27 Mar 2025US 2025/0105918 A1Jabil Technology (Wuhan) Ltd.
- Optical network unit, central office node and methods of configuring an optical network unit6 Feb 2025US 2025/0047406 A1Telefonaktiebolaget LM Ericsson (publ)
- Out-of-band communication channel for subcarrier-based optical communication systems24 Oct 2024US 2024/0356645 A1Infinera Corporation
Most cited
By later US patents
- Optical power management in an optical network72US 6,304,347 B1ONI Systems Corp. · 2001
- Network operating system with topology autodiscovery55US 7,747,165 B2Alcatel-Lucent USA Inc. · 2010
- Optical transmission systems, devices, and methods32US 7,606,494 B1Broadwing Corporation · 2009
- Latency based chromatic dispersion estimation methods27US 10,211,920 B1Amazon Technologies, Inc. · 2019
- Colorless, directionless, and gridless optical network, node, and method26US 8,554,074 B2Ciena Corporation · 2013