H04Q 2011/0018
Using tunable transmitters or receivers
Official title: {using tunable transmitters or receivers}
H04Q2011/0018 (Using tunable transmitters or receivers) appears on 162 US grants and 132 published applications in this corpus.
Search patents in H04Q- Granted patents
- 162
- Published applications
- 132
- Assignees
- 91
- Inventors
- 357
- Latest grant
- 9 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 1 |
| 2002 | 6 | 8 |
| 2003 | 8 | 8 |
| 2004 | 7 | 7 |
| 2005 | 4 | 2 |
| 2006 | 3 | 1 |
| 2007 | 5 | 4 |
| 2008 | 5 | 1 |
| 2009 | 3 | 1 |
| 2010 | 0 | 4 |
| 2011 | 1 | 0 |
| 2012 | 2 | 6 |
| 2013 | 3 | 3 |
| 2014 | 2 | 6 |
| 2015 | 8 | 4 |
| 2016 | 4 | 11 |
| 2017 | 11 | 23 |
| 2018 | 13 | 10 |
| 2019 | 16 | 7 |
| 2020 | 6 | 5 |
| 2021 | 9 | 7 |
| 2022 | 3 | 3 |
| 2023 | 3 | 4 |
| 2024 | 1 | 1 |
| 2025 | 3 | 1 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Top-of-rack switch of a rack assembly tuned to receive a band of wavelengths from a replicated spectrum of wavelengths provided by a power splitter9 Sep 2025US 12,413,313 B2Sony Interactive Entertainment Inc.
- Tunable optical wedge for reducing crosstalk in wavelength selective switch1 Jul 2025US 12,345,998 B2II-Vi Delaware, Inc.
- Multiplexed single photon source using one-way switching elements25 Mar 2025US 12,259,634 B2Second Foundation
- Optical and electronic integrated switch and optical network system23 Jan 2024US 11,881,897 B2Nippon Telegraph and Telephone Corporation
- Optical cross-connect device, optical transmission system, and optical transmission line connection error detection method7 Nov 2023US 11,812,205 B2Nippon Telegraph and Telephone Corporation
- Bi-directional dense wavelength multiplexed optical communication systems1 Oct 2026US 2026/0303217 A1Quintessent Inc.
- System, method and computer-readable medium for controlling wavelength switching of open all-photonic network4 Jun 2026US 2026/0156389 A1Chunghwa Telecom Co., Ltd.
- Systems and methods for switching7 May 2026US 2026/0129321 A1Celestial AI Inc.
- Distributed reconfigurable switching node for multiple core fiber30 Apr 2026US 2026/0122380 A1Subcom, LLC
- Wavelength remapping in an on-chip wavelength division multiplexing (wdm) solution12 Jun 2025US 2025/0192912 A1Lightmatter, Inc.
Most cited
By later US patents
- Optical routing using a star switching fabric125US 7,263,288 B1Cheetah Omni, LLC · 2007
- Large fault tolerant packet switch particularly suited for asynchronous transfer mode (ATM) communication122US 5,130,984 ABell Communications Research, Inc. · 1992
- Output port switching device in N-WDM system99US 6,172,782 B2NEC Corporation · 2001
- Setting up, taking down and maintaining connections in a communications network82US 5,781,537 AInternational Business Machines Corporation · 1998
- Optical routing using a star switching fabric80US 7,209,657 B1Cheetah Omni, LLC · 2007