H04J 14/02218
Centralized control
Official title: {Centralized control}
H04J14/02218 (Centralized control) appears on 35 US grants and 42 published applications in this corpus.
Search patents in H04J- Granted patents
- 35
- Published applications
- 42
- Assignees
- 18
- Inventors
- 103
- Latest grant
- 18 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 3 |
| 2004 | 0 | 2 |
| 2005 | 2 | 1 |
| 2006 | 1 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 2 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 6 |
| 2013 | 0 | 3 |
| 2014 | 3 | 4 |
| 2015 | 8 | 0 |
| 2016 | 0 | 7 |
| 2017 | 6 | 2 |
| 2018 | 4 | 4 |
| 2019 | 2 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Transmission apparatus and transmission system18 Feb 2025US 12,231,227 B2Fujitsu Limited
- Method and system for optimizing optical power management over an optical communication network using a digital-twin thereof1 Oct 2024US 12,107,667 B2Huawei Technologies Co., Ltd.
- Light amplification device, light transmission system, and light amplification method20 Jun 2023US 11,683,116 B2NEC Corporation
- Fiber input power selection for probabilistically shaped signals in optical networks30 Jun 2020US 10,700,807 B1Fujitsu Limited
- Device and method for transmitting wavelength division multiplexed optical signal29 Oct 2019US 10,461,879 B2Fujitsu Limited
- Optical-layer module, access site, and optical signal processing method19 Feb 2026US 2026/0051964 A1
- Wavelength optimization for multi-vendor reconfigurable optical add/drop multiplexer links1 Jan 2026US 2026/0005782 A1AT&T Intellectual Property I, L. P.
- Optical transmission device and optical transmission system26 Jun 2025US 2025/0211356 A1Fujitsu Limited
- Method and system for amplified spontaneous emission transition management in an optical network3 Apr 2025US 2025/0113125 A1Infinera Corporation
- 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.
Most cited
By later US patents
- Add/drop multiplexer node36US 6,134,036 ATelefonaktiebolaget LM Ericsson · 2000
- Methods and apparatus for pre-programming layer-0 service turn up speeds for photonic service provisioning or restoration35US 10,237,011 B2Ciena Corporation · 2019
- Optical network terminator30US 7,106,969 B1Atrica Israel Ltd. · 2006
- Fully protected broadcast and select all optical network17US 7,499,647 B2OpVista Incorporated · 2009
- Bandwidth variable communication method, bandwidth variable communication apparatus, transmission bandwidth determination apparatus, transmission bandwidth determination method, node apparatus, communication path setting system, communication path setting11US 8,964,581 B2Nippon Telegraph and Telephone Corporation · 2015