H04Q 2011/0016
Using wavelength multiplexing or demultiplexing
Official title: {using wavelength multiplexing or demultiplexing}
H04Q2011/0016 (Using wavelength multiplexing or demultiplexing) appears on 1,035 US grants and 1,064 published applications in this corpus.
Search patents in H04Q- Granted patents
- 1,035
- Published applications
- 1,064
- Assignees
- 326
- Inventors
- 1,737
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 9 | 0 |
| 2000 | 15 | 0 |
| 2001 | 26 | 9 |
| 2002 | 28 | 89 |
| 2003 | 39 | 51 |
| 2004 | 46 | 49 |
| 2005 | 31 | 24 |
| 2006 | 42 | 25 |
| 2007 | 45 | 28 |
| 2008 | 19 | 27 |
| 2009 | 19 | 27 |
| 2010 | 20 | 22 |
| 2011 | 15 | 13 |
| 2012 | 22 | 21 |
| 2013 | 21 | 24 |
| 2014 | 22 | 34 |
| 2015 | 36 | 69 |
| 2016 | 52 | 89 |
| 2017 | 110 | 99 |
| 2018 | 75 | 58 |
| 2019 | 89 | 67 |
| 2020 | 64 | 60 |
| 2021 | 61 | 55 |
| 2022 | 36 | 29 |
| 2023 | 24 | 26 |
| 2024 | 24 | 31 |
| 2025 | 20 | 23 |
| 2026 | 16 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical fiber input/output tray with wavelength division multiplexing support for a co-packaged optical switch6 Oct 2026US 12,756,492 B2Quanta Computer Inc.
- Auto-provisioning optical channels based on spectrum monitoring29 Sep 2026US 12,750,611 B2Ciena Corporation
- Optical node device, optical communication system, and wavelength conversion circuit22 Sep 2026US 12,745,023 B21FINITY Inc.
- Wavelength cross connect device, and wavelength cross connect method25 Aug 2026US 12,720,239 B2NTT, Inc.
- Systems and methods for data center interconnects28 Jul 2026US 12,696,015 B1Cable Television Laboratories, Inc.
- Wavelength cross connect device, and wavelength cross connect method8 Oct 2026US 2026/0313275 A1NTT, Inc.
- Bi-directional dense wavelength multiplexed optical communication systems1 Oct 2026US 2026/0303217 A1Quintessent Inc.
- Silicon backplanes for a liquid crystal on silicon (lcos) phase modulator1 Oct 2026US 2026/0304011 A1Molex Incorporated
- Connection Node Apparatus, Optical Transmission System, And Connection Method25 Jun 2026US 2026/0181289 A1NTT, Inc.
- Multi-rail wavelength routing optical architecture11 Jun 2026US 2026/0164150 A1Molex Incorporated
Most cited
By later US patents
- Ultra-low latency multi-protocol optical routers for the next generation internet188US 6,519,062 B1The Regents of the University of California · 2003
- Ultra-low latency multi-protocol optical routers for the next generation internet158US 6,925,257 B2The Regents of the University of California · 2005
- Optical layer survivability and security system using optical label switching and high-speed optical header generation and detection154US 6,271,946 B1Telcordia Technologies, Inc. · 2001
- Optical cross-connect system with space and wavelength division switching stages for minimizing fault recovery procedures131US 5,457,556 ANEC Corporation · 1995
- Modular all-optical cross-connect126US 6,614,953 B2Photuris, Inc. · 2003