H04J 2203/0003
Switching fabrics
Official title: Switching fabrics, e.g. transport network, control network
H04J2203/0003 (Switching fabrics) appears on 369 US grants and 178 published applications in this corpus.
Search patents in H04J- Granted patents
- 369
- Published applications
- 178
- Assignees
- 135
- Inventors
- 733
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 2 | 0 |
| 1994 | 14 | 0 |
| 1995 | 19 | 0 |
| 1996 | 17 | 0 |
| 1997 | 11 | 0 |
| 1998 | 17 | 0 |
| 1999 | 16 | 0 |
| 2000 | 13 | 0 |
| 2001 | 13 | 10 |
| 2002 | 13 | 20 |
| 2003 | 22 | 23 |
| 2004 | 21 | 17 |
| 2005 | 13 | 12 |
| 2006 | 29 | 17 |
| 2007 | 13 | 9 |
| 2008 | 15 | 1 |
| 2009 | 12 | 5 |
| 2010 | 10 | 2 |
| 2011 | 9 | 3 |
| 2012 | 2 | 5 |
| 2013 | 5 | 9 |
| 2014 | 3 | 5 |
| 2015 | 10 | 4 |
| 2016 | 8 | 2 |
| 2017 | 3 | 7 |
| 2018 | 4 | 4 |
| 2019 | 11 | 5 |
| 2020 | 7 | 5 |
| 2021 | 5 | 9 |
| 2022 | 7 | 3 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 2 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04J 2203/0012Switching modules and their interconnectionsIndexing code146
- H04J 2203/0005Switching elementsIndexing code94
- H04J 2203/0025Peripheral unitsIndexing code77
- H04J 2203/0026Physical detailsIndexing code61
- H04J 2203/0019Multicast/broadcast capabilitiesIndexing code19
- H04J 2203/0021Control mechanismsIndexing code17
- H04J 2203/0023Routing/path findingIndexing code16
Recent patents
- Physical network orchestration for data centers12 May 2026US 12,627,557 B2Cisco Technology, Inc.
- Physical network orchestration for data centers21 Oct 2025US 12,452,128 B2Cisco Technology, Inc.
- Dynamically switching queueing schemes for network switches8 Jul 2025US 12,355,552 B2Infinera Corporation
- Method and apparatus for switching line bandwidth of optical transport network31 Jan 2023US 11,570,530 B2Huawei Technologies Co., Ltd.
- Optical communication system, optical transceiver, optical communication method, and non-transitory computer readable medium20 Dec 2022US 11,533,109 B2NEC Corporation
- Service data transmission method, communication network, service receiving device, and storage medium17 Aug 2023US 2023/0262369 A1Huawei Technologies Co., Ltd.
- Physical network orchestration for data centers24 Nov 2022US 2022/0376973 A1Cisco Technology, Inc.
- Optical communication system, optical transceiver, optical communication method, and non-transitory computer readable medium16 Jun 2022US 2022/0190924 A1NEC Corporation
- Physical network orchestration for data centers14 Apr 2022US 2022/0116271 A1Cisco Technology, Inc.
- Remote data multicasting and remote direct memory access over optical fabrics2 Dec 2021US 2021/0377634 A1
Most cited
By later US patents
- Access to telecommunications networks in multi-service environment695US 5,610,910 ANorthern Telecom Limited · 1997
- Digital communication network architecture for providing universal information services520US 4,763,317 AAmerican Telephone and Telegraph Company, AT&T Bell Laboratories · 1988
- Intra-switch communications in narrow band ATM networks314US 5,428,607 AAT&T Corp. · 1995
- Communication system control arrangement255US 4,720,850 AAmerican Telephone and Telegraph Company, AT&T Bell Laboratories · 1988
- ATM networks for narrow band communications248US 5,422,882 AAT&T Corp. · 1995