H04J 14/0279
Wdm point-to-point architectures
Official title: {WDM point-to-point architectures}
H04J14/0279 (Wdm point-to-point architectures) appears on 360 US grants and 335 published applications in this corpus.
Search patents in H04J- Granted patents
- 360
- Published applications
- 335
- Assignees
- 161
- Inventors
- 775
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 8 | 0 |
| 1999 | 10 | 0 |
| 2000 | 15 | 0 |
| 2001 | 12 | 5 |
| 2002 | 18 | 31 |
| 2003 | 13 | 30 |
| 2004 | 9 | 23 |
| 2005 | 15 | 15 |
| 2006 | 16 | 18 |
| 2007 | 17 | 21 |
| 2008 | 14 | 16 |
| 2009 | 24 | 27 |
| 2010 | 17 | 29 |
| 2011 | 14 | 19 |
| 2012 | 21 | 27 |
| 2013 | 18 | 6 |
| 2014 | 25 | 13 |
| 2015 | 14 | 6 |
| 2016 | 12 | 5 |
| 2017 | 7 | 6 |
| 2018 | 4 | 4 |
| 2019 | 7 | 8 |
| 2020 | 8 | 4 |
| 2021 | 2 | 4 |
| 2022 | 5 | 4 |
| 2023 | 5 | 4 |
| 2024 | 4 | 5 |
| 2025 | 4 | 3 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electrical-to-coherent optical-to-electrical data communication cable assembly29 Sep 2026US 12,750,139 B2
- Optical transceiver and method for automatically setting wavelength thereof20 Jan 2026US 12,531,648 B2SOLiD, INC.
- Systems and methods for utilizing photonic degrees of freedom in a photonic processor23 Sep 2025US 12,425,119 B2Lightmatter, Inc.
- Management and control system of wavelength-multiplexed subranging electro-optic modulator (SEOM)s for high dynamic range applications25 Mar 2025US 12,261,642 B1Seaford Holdings, LLC
- Continuous wave optical two-way time transfer18 Mar 2025US 12,255,433 B2Vector Atomic, Inc.
- Efficient Fiber Utilization with Widely Parallel Optical Interfaces6 Aug 2026US 2026/0230215 A1Avago Technologies International Sales Pte. Limited
- Acoustic sensing using single wavelength optical frequency domain reflectometry for multi-span sensing23 Apr 2026US 2026/0110570 A1Subcom, LLC
- Optical splitting/coupling device, optical submarine cable system, and optical splitting/coupling method27 Mar 2025US 2025/0105939 A1NEC Corporation
- Management and control system of wavelength-multiplexed subranging electro-optic modulator (seom)s for high dynamic range applications6 Mar 2025US 2025/0080224 A1Seaford Holdings, LLC
- Photonic processing systems and methods20 Feb 2025US 2025/0062833 A1Lightmatter, Inc.
Most cited
By later US patents
- Optical cross-connect system with space and wavelength division switching stages for minimizing fault recovery procedures131US 5,457,556 ANEC Corporation · 1995
- Optical fiber transmission system and supervision method of the same114US 5,500,756 AHitachi, Ltd. · 1996
- Telecommunication system and method for wavelength-division multiplexing transmissions with a controlled separation of the outgoing channels and capable of determining the optical signal/noise ratio101US 5,712,716 APirelli Cavi S.p.A. · 1998
- Output port switching device in N-WDM system99US 6,172,782 B2NEC Corporation · 2001
- Method and apparatus for improving transmission performance over wavelength division multiplexed optical communication links using forward error correction coding94US 6,433,904 B1Sycamore Networks, Inc. · 2002