H04J 14/0219
Modular or upgradable architectures
Official title: {Modular or upgradable architectures}
H04J14/0219 (Modular or upgradable architectures) appears on 235 US grants and 203 published applications in this corpus.
Search patents in H04J- Granted patents
- 235
- Published applications
- 203
- Assignees
- 124
- Inventors
- 498
- Latest grant
- 8 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 10 | 0 |
| 2001 | 17 | 2 |
| 2002 | 11 | 24 |
| 2003 | 14 | 19 |
| 2004 | 7 | 13 |
| 2005 | 9 | 16 |
| 2006 | 19 | 9 |
| 2007 | 13 | 13 |
| 2008 | 7 | 12 |
| 2009 | 11 | 10 |
| 2010 | 11 | 17 |
| 2011 | 7 | 10 |
| 2012 | 15 | 6 |
| 2013 | 11 | 11 |
| 2014 | 15 | 4 |
| 2015 | 7 | 3 |
| 2016 | 3 | 9 |
| 2017 | 7 | 3 |
| 2018 | 0 | 2 |
| 2019 | 7 | 5 |
| 2020 | 4 | 1 |
| 2021 | 4 | 4 |
| 2022 | 5 | 7 |
| 2023 | 7 | 0 |
| 2024 | 1 | 2 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Scalable add/drop colorless, directionless, and contentionless optical architectures8 Jul 2025US 12,355,550 B2Ciena Corporation
- Degree switching configuration for network architecture8 Oct 2024US 12,114,112 B2Google Inc.
- Upgradeable colorless, directionless, and contentionless optical architectures5 Dec 2023US 11,838,101 B2Ciena Corporation
- Wavelength cross connect device and cross connect connection method5 Sep 2023US 11,750,317 B2Nippon Telegraph and Telephone Corporation
- Optical branch insertion device and optical branch insertion method8 Aug 2023US 11,722,235 B2Nippon Telegraph and Telephone Corporation
- Partially Colored Flexgrid Wavelength-Division Multiplexer/Demultiplexer27 Mar 2025US 2025/0105940 A1Google Inc.
- Scalable add/drop colorless, directionless, and contentionless optical architectures4 Apr 2024US 2024/0113798 A1Ciena Corporation
- Passive aggregation-layer network device, network system, and working method therefor18 Jan 2024US 2024/0022345 A1Ruijie Networks Co., Ltd.
- Separator modules for terminal bodies30 Jun 2022US 2022/0209883 A1CommScope Technologies LLC
- Wavelength cross connect device and cross connect connection method9 Jun 2022US 2022/0182167 A1Nippon Telegraph and Telephone Corporation
Most cited
By later US patents
- Article comprising a wavelength-selective add-drop multiplexer111US 5,974,207 ALucent Technologies Inc. · 1999
- Dynamically reconfigurable WDM optical communication systems with optical routing systems110US 5,712,932 ACiena Corporation · 1998
- Transparent optical self-healing-ring communication network98US 5,903,371 APirelli Cavi S.p.A. · 1999
- Optical device having switching function93US 5,812,709 AHitachi Cable, Ltd. · 1998
- Wavelength selective optical couplers73US 5,805,751 AArroyo Optics, Inc. · 1998