H04J 14/0217
Multi-degree architectures
Official title: {Multi-degree architectures, e.g. having a connection degree greater than two}
H04J14/0217 (Multi-degree architectures) appears on 384 US grants and 395 published applications in this corpus.
Search patents in H04J- Granted patents
- 384
- Published applications
- 395
- Assignees
- 130
- Inventors
- 625
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 9 | 0 |
| 2001 | 12 | 7 |
| 2002 | 3 | 24 |
| 2003 | 15 | 17 |
| 2004 | 12 | 13 |
| 2005 | 7 | 11 |
| 2006 | 18 | 13 |
| 2007 | 11 | 13 |
| 2008 | 6 | 20 |
| 2009 | 12 | 26 |
| 2010 | 23 | 28 |
| 2011 | 13 | 23 |
| 2012 | 27 | 33 |
| 2013 | 27 | 27 |
| 2014 | 30 | 17 |
| 2015 | 26 | 21 |
| 2016 | 19 | 23 |
| 2017 | 23 | 11 |
| 2018 | 12 | 10 |
| 2019 | 21 | 14 |
| 2020 | 13 | 8 |
| 2021 | 8 | 10 |
| 2022 | 5 | 7 |
| 2023 | 6 | 7 |
| 2024 | 8 | 7 |
| 2025 | 8 | 4 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Add/drop capability for spatial division multiplexed optical systems5 May 2026US 12,621,076 B2Solutions and Networks Oy
- ROADM architecture for wide spectrum channels30 Sep 2025US 12,432,004 B2Ciena Corporation
- Scalable add/drop colorless, directionless, and contentionless optical architectures8 Jul 2025US 12,355,550 B2Ciena Corporation
- Dynamically switching queueing schemes for network switches8 Jul 2025US 12,355,552 B2Infinera Corporation
- Identifying and monitoring connections in an optical system27 May 2025US 12,316,441 B2Molex Incorporated
- Node for a multi-plane optical network7 May 2026US 2026/0129322 A1Huawei Technologies Co., Ltd.
- High-degree reconfigurable add-drop multiplexer4 Dec 2025US 2025/0373355 A1Huawei Technologies Co., Ltd.
- Optical communications device and transmission control method16 Oct 2025US 2025/0323749 A1Fujitsu Limited
- Interconnect networks using microled-based optical links2 Oct 2025US 2025/0310001 A1AvicenaTech, Corp.
- Fiber shuffle box, data processing method and computer storage medium3 Jul 2025US 2025/0219756 A1Cloud Intelligence Assets Holding (Singapore) Private Limited
Most cited
By later US patents
- Modular all-optical cross-connect126US 6,614,953 B2Photuris, Inc. · 2003
- Wavelength multiplexed light transfer unit and wavelength multiplexed light transfer system87US 5,850,301 AMitsubishi Denki Kabushiki Kaisha · 1998
- Dynamic optical add-drop multiplexers and wavelength-routing networks with improved survivability and minimized spectral filtering81US 5,953,141 AInternational Business Machines.Corp · 1999
- Method and apparatus for operation, protection, and restoration of heterogeneous optical communication networks80US 6,046,833 AOptical Networks, Inc. · 2000
- Optical branching apparatus and transmission line setting method therefor79US 5,822,474 ANEC Corporation · 1998