H04J 14/02219
Distributed control
Official title: {Distributed control}
H04J14/02219 (Distributed control) appears on 32 US grants and 32 published applications in this corpus.
Search patents in H04J- Granted patents
- 32
- Published applications
- 32
- Assignees
- 25
- Inventors
- 82
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 1 | 4 |
| 2003 | 0 | 3 |
| 2004 | 1 | 3 |
| 2005 | 2 | 1 |
| 2006 | 1 | 1 |
| 2007 | 4 | 3 |
| 2008 | 3 | 0 |
| 2009 | 3 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 2 | 2 |
| 2015 | 0 | 0 |
| 2016 | 1 | 2 |
| 2017 | 2 | 0 |
| 2018 | 2 | 2 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 4 |
| 2024 | 1 | 2 |
| 2025 | 4 | 2 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Optical signal control method and apparatus, optical transmission node, and optical transmission system28 Apr 2026US 12,615,085 B2Huawei Technologies Co., Ltd.
- Turn up and express traffic validation for communication systems23 Sep 2025US 12,425,118 B2Infinera Corporation
- Optical wavelength multiplexing transmission device and optical wavelength multiplexing transmission method17 Jun 2025US 12,334,979 B2Fujitsu Limited
- Device, apparatus, and method for adjusting optical signals, and storage medium3 Jun 2025US 12,323,229 B2
- System and method for determining launch energy, power and efficiency for a smart channel in a DWDM network using machine learning15 Apr 2025US 12,278,692 B2AT&T Communications Services India Private Limited
- Distributed device cluster30 Oct 2025US 2025/0337514 A1
- System and method for determining launch energy, power and efficiency for a smart channel in a dwdm network using machine learning10 Jul 2025US 2025/0226908 A1AT&T Communications Services India Private Limited
- System and method for determining launch energy, power and efficiency for a smart channel in a dwdm network using machine learning6 Jun 2024US 2024/0187122 A1AT&T Communications Services India Private Limited
- Method and system for optimizing optical power management over an optical communication network using a digital-twin thereof18 Apr 2024US 2024/0129055 A1Huawei Technologies Co., Ltd.
- Optical signal adjustment apparatus, device and method, and storage medium19 Oct 2023US 2023/0336267 A1
Most cited
By later US patents
- Systems and methods for channel additions over multiple cascaded optical nodes38US 9,276,696 B2Ciena Corporation · 2016
- Systems and methods for channel additions over multiple cascaded optical nodes35US 9,973,295 B2Ciena Corporation · 2018
- Power level management in optical networks22US 7,212,742 B2Fujitsu Limited · 2007
- Optical power managed network node for processing dense wavelength division multiplexed optical signals10US 6,449,068 B1LightChip, Inc. · 2002
- Method and system for channel count and power control in optical networks8US 6,904,438 B2ECI Telecom Ltd. · 2005