H04Q 11/0005
Switch and router aspects
Official title: {Switch and router aspects}
H04Q11/0005 (Switch and router aspects) appears on 3,659 US grants and 3,482 published applications in this corpus.
Search patents in H04Q- Granted patents
- 3,659
- Published applications
- 3,482
- Assignees
- 921
- Inventors
- 5,500
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 8 | 0 |
| 1990 | 7 | 0 |
| 1991 | 12 | 0 |
| 1992 | 10 | 0 |
| 1993 | 10 | 0 |
| 1994 | 8 | 0 |
| 1995 | 31 | 0 |
| 1996 | 39 | 0 |
| 1997 | 28 | 0 |
| 1998 | 50 | 0 |
| 1999 | 54 | 0 |
| 2000 | 71 | 0 |
| 2001 | 90 | 43 |
| 2002 | 112 | 289 |
| 2003 | 149 | 187 |
| 2004 | 144 | 168 |
| 2005 | 129 | 106 |
| 2006 | 141 | 107 |
| 2007 | 145 | 84 |
| 2008 | 78 | 79 |
| 2009 | 79 | 77 |
| 2010 | 89 | 74 |
| 2011 | 66 | 52 |
| 2012 | 71 | 88 |
| 2013 | 66 | 89 |
| 2014 | 118 | 126 |
| 2015 | 148 | 211 |
| 2016 | 163 | 216 |
| 2017 | 259 | 238 |
| 2018 | 197 | 228 |
| 2019 | 252 | 158 |
| 2020 | 179 | 162 |
| 2021 | 154 | 146 |
| 2022 | 127 | 122 |
| 2023 | 101 | 122 |
| 2024 | 104 | 123 |
| 2025 | 96 | 110 |
| 2026 | 63 | 77 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Laser sparing architectures for multi-wavelength laser arrays6 Oct 2026US 12,754,377 B2NVIDIA Corporation
- Optical time domain reflectometer (OTDR)-based fiber monitoring optimization6 Oct 2026US 12,756,459 B2Viavi Solutions Inc.
- Optical fiber input/output tray with wavelength division multiplexing support for a co-packaged optical switch6 Oct 2026US 12,756,492 B2Quanta Computer Inc.
- Switch system, switch apparatus, and linear drive pluggable optics apparatus6 Oct 2026US 12,756,960 B2Jess-Link Products Co., Ltd.
- Optical fiber test method, ROADM system, server and storage medium29 Sep 2026US 12,750,152 B2Zte Corporation
- Photonic quantum computer architecture and methods of operation8 Oct 2026US 2026/0311016 A1Psiquantum, Corp.
- Identification Method for Branch Ports of Optical Distribution Network, and Optical Distribution Network8 Oct 2026US 2026/0312678 A1Zte Corporation
- Wavelength cross connect device, and wavelength cross connect method8 Oct 2026US 2026/0313275 A1NTT, Inc.
- Optical devices having externally field-configurable splitting ratios and methods of using the same1 Oct 2026US 2026/0299245 A1Corning Research & Development Corporation
- Bi-directional dense wavelength multiplexed optical communication systems1 Oct 2026US 2026/0303217 A1Quintessent 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
- Switchable multi-drop video distribution system296US 5,867,484 AIntellect Network Technologies · 1999
- Method and apparatus for identifying and tracking connections of communication lines294US 6,002,331 A1999
- Multi-wavelength cross-connect optical switch282US 6,097,859 AThe Regents of the University of California · 2000
- Two-dimensional optoelectronic tune-switch268US 5,671,304 AUniversite Laval · 1997