H04J 14/0213
Groups of channels or wave bands arrangements
Official title: {Groups of channels or wave bands arrangements}
H04J14/0213 (Groups of channels or wave bands arrangements) appears on 765 US grants and 675 published applications in this corpus.
Search patents in H04J- Granted patents
- 765
- Published applications
- 675
- Assignees
- 245
- Inventors
- 1,278
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 9 | 0 |
| 1998 | 22 | 0 |
| 1999 | 13 | 0 |
| 2000 | 22 | 0 |
| 2001 | 42 | 19 |
| 2002 | 37 | 112 |
| 2003 | 58 | 67 |
| 2004 | 44 | 67 |
| 2005 | 47 | 42 |
| 2006 | 53 | 31 |
| 2007 | 52 | 26 |
| 2008 | 30 | 21 |
| 2009 | 27 | 26 |
| 2010 | 26 | 36 |
| 2011 | 19 | 19 |
| 2012 | 35 | 21 |
| 2013 | 20 | 21 |
| 2014 | 27 | 15 |
| 2015 | 24 | 17 |
| 2016 | 11 | 11 |
| 2017 | 18 | 17 |
| 2018 | 14 | 9 |
| 2019 | 17 | 15 |
| 2020 | 15 | 19 |
| 2021 | 21 | 14 |
| 2022 | 15 | 17 |
| 2023 | 12 | 16 |
| 2024 | 13 | 6 |
| 2025 | 7 | 5 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical multi-wavelength dual-polarization transceivers7 Jul 2026US 12,676,691 B2Aloe Semiconductor Inc.
- Configurable intensity-modulation direct detection (IMDD) optical transceivers16 Jun 2026US 12,659,064 B2Aloe Semiconductor Inc.
- Add/drop capability for spatial division multiplexed optical systems5 May 2026US 12,621,076 B2Solutions and Networks Oy
- Optical communication device that transmits WDM signal and transmission control method24 Feb 2026US 12,562,832 B21FINITY Inc.
- Transmission device, transmission method, reception device, and reception method9 Dec 2025US 12,494,858 B2Panasonic Intellectual Property Corporation of America
- Optical multi-wavelength dual-polarization transceivers1 Oct 2026US 2026/0303248 A1Aloe Semiconductor Inc.
- Optical network component configuration27 Aug 2026US 2026/0254550 A1Telefonaktiebolaget LM Ericsson (publ)
- Optical Distribution Node, Communication Network Node and Communication Network27 Aug 2026US 2026/0254551 A1
- Optical switching apparatus, optical add/drop multiplexer and communications network node30 Jul 2026US 2026/0222101 A1Telefonaktiebolaget LM Ericsson (publ)
- Technology-aware optical device for an optical network28 May 2026US 2026/0149524 A1Nokia Solutions and Networks Oy
Most cited
By later US patents
- High reflection isolation optical devices and the method for making the same357US 7,289,733 B1Alliance Fiber Optic Products, Inc. · 2007
- Method of activating optical communication system, channel increasing/decreasing method, and computer-readable recording medium165US 6,839,160 B2Fujitsu Limited · 2005
- WDM optical network with passive pass-through at each node146US 6,084,694 ANortel Networks Limited · 2000
- Optical systems with grating reflector133US 5,283,686 AGeneral Instrument Corporation, Jerrold Communications · 1994
- Optical add-drop multiplexers for WDM optical communication systems125US 5,778,118 ACiena Corporation · 1998