H04J 14/03
Wdm arrangements
Official title: {WDM arrangements (ADM arrangements H04J14/0202; WDM network architectures H04J14/0278)}
H04J14/03 (Wdm arrangements) appears on 1,139 US grants and 1,084 published applications in this corpus.
Search patents in H04J- Granted patents
- 1,139
- Published applications
- 1,084
- Assignees
- 402
- Inventors
- 2,241
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 7 | 0 |
| 1997 | 10 | 0 |
| 1998 | 25 | 0 |
| 1999 | 20 | 0 |
| 2000 | 27 | 0 |
| 2001 | 40 | 14 |
| 2002 | 58 | 64 |
| 2003 | 46 | 51 |
| 2004 | 41 | 49 |
| 2005 | 30 | 28 |
| 2006 | 53 | 37 |
| 2007 | 38 | 34 |
| 2008 | 27 | 23 |
| 2009 | 25 | 31 |
| 2010 | 16 | 30 |
| 2011 | 17 | 13 |
| 2012 | 22 | 23 |
| 2013 | 29 | 35 |
| 2014 | 24 | 37 |
| 2015 | 42 | 47 |
| 2016 | 52 | 48 |
| 2017 | 59 | 67 |
| 2018 | 61 | 56 |
| 2019 | 62 | 57 |
| 2020 | 48 | 58 |
| 2021 | 49 | 35 |
| 2022 | 45 | 37 |
| 2023 | 35 | 59 |
| 2024 | 39 | 58 |
| 2025 | 37 | 47 |
| 2026 | 31 | 46 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Technologies for optical demultiplexing with backwards compatibility6 Oct 2026US 12,754,364 B2Intel Corporation
- Optical fiber test method, ROADM system, server and storage medium29 Sep 2026US 12,750,152 B2Zte Corporation
- Optical signal transmission method and apparatus15 Sep 2026US 12,739,049 B2Huawei Technologies Co., Ltd.
- Optical space communication management device, optical space communication system, and optical space communication management method1 Sep 2026US 12,726,271 B2National Institute of Information and Communications Technology
- Frequency conversion of a wavelength division multiplexed light source25 Aug 2026US 12,717,211 B2TOPTICA Photonics AG
- Wavelength cross connect device, and wavelength cross connect method8 Oct 2026US 2026/0313275 A1NTT, Inc.
- Dual-polarization bidirectional optical devices1 Oct 2026US 2026/0303218 A1
- Optical transmission device, optical transmission system, optical module, and optical controller1 Oct 2026US 2026/0303220 A11FINITY Inc.
- Silicon backplanes for a liquid crystal on silicon (lcos) phase modulator1 Oct 2026US 2026/0304011 A1Molex Incorporated
- Multicore fiber optical transceiver24 Sep 2026US 2026/0291612 A1TeraHop USA Inc.
Most cited
By later US patents
- Multiwavelength data communication fiber link338US 5,278,687 APhysical Optics Corporation · 1994
- Multi-core holey fiber and optical transmission system232US 8,094,985 B2Furukawa Electric Co., Ltd. · 2012
- Scattering device on an arrayed waveguide grating224US 8,958,665 B2Infinera Corporation · 2015
- Method and apparatus for improving spectral efficiency in wavelength division multiplexed transmission systems196US 6,134,033 ATyco Submarine Systems Ltd. · 2000
- Re-configurable fibre wireless network170US 6,674,966 B1Lucent Technologies Inc. · 2004