H04Q 2011/0052
Interconnection of switches
Official title: {Interconnection of switches}
H04Q2011/0052 (Interconnection of switches) appears on 792 US grants and 731 published applications in this corpus.
Search patents in H04Q- Granted patents
- 792
- Published applications
- 731
- Assignees
- 280
- Inventors
- 1,288
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 8 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 13 | 0 |
| 1996 | 15 | 0 |
| 1997 | 9 | 0 |
| 1998 | 17 | 0 |
| 1999 | 9 | 0 |
| 2000 | 16 | 0 |
| 2001 | 17 | 5 |
| 2002 | 25 | 63 |
| 2003 | 34 | 33 |
| 2004 | 33 | 29 |
| 2005 | 25 | 22 |
| 2006 | 23 | 21 |
| 2007 | 20 | 18 |
| 2008 | 13 | 17 |
| 2009 | 15 | 15 |
| 2010 | 17 | 21 |
| 2011 | 12 | 14 |
| 2012 | 21 | 18 |
| 2013 | 17 | 18 |
| 2014 | 19 | 28 |
| 2015 | 36 | 32 |
| 2016 | 29 | 40 |
| 2017 | 49 | 42 |
| 2018 | 39 | 88 |
| 2019 | 56 | 36 |
| 2020 | 49 | 42 |
| 2021 | 38 | 36 |
| 2022 | 33 | 22 |
| 2023 | 19 | 19 |
| 2024 | 18 | 25 |
| 2025 | 13 | 10 |
| 2026 | 11 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Optical node architectures for optical communication systems1 Sep 2026US 12,726,741 B2Nokia Solutions and Networks Oy
- Wavelength cross connect device, and wavelength cross connect method25 Aug 2026US 12,720,239 B2NTT, Inc.
- Multi-core asymmetric STar-routing switch and method for optical routing (MASTR switch and mor)25 Aug 2026US 12,720,240 B2Phase Sensitive Innovations, Inc.
- Wavelength cross connect device, and wavelength cross connect method14 Jul 2026US 12,684,272 B2NTT, Inc.
- Automated physical network systems based on robotic control and management of fiber optic interconnects30 Jun 2026US 12,671,920 B2Telescent Inc.
- Wavelength cross connect device, and wavelength cross connect method8 Oct 2026US 2026/0313275 A1NTT, Inc.
- Fabric modules for server to switch connections10 Sep 2026US 2026/0270595 A1Panduit Corp.
- Photonic fabric chip device27 Aug 2026US 2026/0251845 A1Panduit Corp.
- Switching systems configured to receive optical and electrical modules30 Jul 2026US 2026/0222713 A1Eridu Al Corporation
- Optical Switch9 Jul 2026US 2026/0197565 A1NTT, Inc.
Most cited
By later US patents
- Packet-switched self-routing multistage interconnection network having contention-free fanout, low-loss routing, and fanin buffering to efficiently realize arbitrarily low packet loss365US 5,541,914 A1996
- Two-dimensional optoelectronic tune-switch268US 5,671,304 AUniversite Laval · 1997
- Method and apparatus for isolating faults in a switching matrix249US 6,856,600 B1Cisco Technology, Inc. · 2005
- Fibre channel switching fabric239US 6,185,203 B2Vixel Corporation · 2001
- Non-blocking optical cross-connect structure for telecommunications network164US 5,627,925 ALucent Technologies Inc. · 1997