H04Q 2011/0024
Using space switching
Official title: {using space switching}
H04Q2011/0024 (Using space switching) appears on 511 US grants and 444 published applications in this corpus.
Search patents in H04Q- Granted patents
- 511
- Published applications
- 444
- Assignees
- 210
- Inventors
- 911
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 7 | 0 |
| 1996 | 12 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 10 | 0 |
| 2000 | 16 | 0 |
| 2001 | 23 | 14 |
| 2002 | 39 | 96 |
| 2003 | 51 | 64 |
| 2004 | 55 | 53 |
| 2005 | 38 | 30 |
| 2006 | 40 | 27 |
| 2007 | 42 | 29 |
| 2008 | 21 | 10 |
| 2009 | 22 | 18 |
| 2010 | 17 | 11 |
| 2011 | 11 | 7 |
| 2012 | 15 | 6 |
| 2013 | 6 | 9 |
| 2014 | 12 | 11 |
| 2015 | 11 | 7 |
| 2016 | 9 | 8 |
| 2017 | 10 | 7 |
| 2018 | 6 | 5 |
| 2019 | 4 | 3 |
| 2020 | 5 | 2 |
| 2021 | 1 | 6 |
| 2022 | 5 | 6 |
| 2023 | 2 | 3 |
| 2024 | 6 | 5 |
| 2025 | 1 | 2 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Cross-connect switch architecture10 Dec 2024US 12,167,184 B2Rensselaer Polytechnic Institute
- Degree switching configuration for network architecture8 Oct 2024US 12,114,112 B2Google Inc.
- Optical switching apparatus, redirection method, reconfigurable optical add/drop multiplexer, and system20 Aug 2024US 12,068,842 B2Huawei Technologies Co., Ltd.
- Pair routing between undersea fiber optic cables13 Aug 2026US 2026/0235815 A1Subcom, LLC
- Optical Circuit Switch With Multi-Core Fibers And Optical Systems Implementing Same6 Aug 2026US 2026/0227576 A1Google Inc.
- Network architecture6 Aug 2026US 2026/0230732 A1UCL Business PLC
- Network architecture9 Jul 2026US 2026/0197566 A1UCL Business PLC
- System, method and computer-readable medium for controlling wavelength switching of open all-photonic network4 Jun 2026US 2026/0156389 A1Chunghwa Telecom Co., Ltd.
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
- Multi-wavelength cross-connect optical switch282US 6,097,859 AThe Regents of the University of California · 2000
- Frequency-selective optical switch employing a frequency dispersive element, polarization dispersive element and polarization modulating elements208US 5,414,540 ABell Communications Research, Inc. · 1995
- Non-blocking, scalable optical router architecture and method for routing optical traffic169US 6,665,495 B1Yotta Networks, LLC · 2003
- Optical cross-connect switch with integrated optical signal tap128US 6,668,108 B1Calient Networks, Inc. · 2003