H04J 14/0267
Optical signaling or routing
Official title: {Optical signaling or routing}
H04J14/0267 (Optical signaling or routing) appears on 808 US grants and 882 published applications in this corpus.
Search patents in H04J- Granted patents
- 808
- Published applications
- 882
- Assignees
- 204
- Inventors
- 1,350
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 4 |
| 2003 | 2 | 9 |
| 2004 | 2 | 6 |
| 2005 | 0 | 3 |
| 2006 | 5 | 6 |
| 2007 | 5 | 6 |
| 2008 | 5 | 5 |
| 2009 | 10 | 33 |
| 2010 | 16 | 46 |
| 2011 | 18 | 45 |
| 2012 | 33 | 87 |
| 2013 | 46 | 87 |
| 2014 | 87 | 63 |
| 2015 | 92 | 63 |
| 2016 | 69 | 48 |
| 2017 | 54 | 40 |
| 2018 | 47 | 36 |
| 2019 | 60 | 62 |
| 2020 | 62 | 40 |
| 2021 | 45 | 48 |
| 2022 | 54 | 41 |
| 2023 | 33 | 43 |
| 2024 | 24 | 24 |
| 2025 | 20 | 22 |
| 2026 | 14 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Broadband polarization-entangled system for C+L-band flex-grid quantum networks15 Sep 2026US 12,739,047 B2UT-Battelle, LLC
- Initiating a communication or connectivity service between a first location and a second location based on optical data transmission of a user-defined optical signal15 Sep 2026US 12,739,048 B2Deutsche Telekom AG
- Ultra-scalable high-performance computing (HPC) network using dense wavelength-division multiplexing (DWDM)4 Aug 2026US 12,700,943 B2Microsoft Technology Licensing, LLC
- Bonding over sub-carrier multiplexed channels30 Jun 2026US 12,671,517 B2Ciena Corporation
- Route calculation method, device, and system9 Jun 2026US 12,652,601 B2Huawei Technologies Co., Ltd.
- Optical transmission system, optical transmission apparatus and optical transmission method27 Aug 2026US 2026/0254552 A1NTT, Inc.
- Pair routing between undersea fiber optic cables13 Aug 2026US 2026/0235815 A1Subcom, LLC
- Gnsr-aware spectral slot assignment with wavelength converters6 Aug 2026US 2026/0230214 A11FINITY Inc.
- Network architecture6 Aug 2026US 2026/0230732 A1UCL Business PLC
- Low-Power Optical Input/Output Chiplet for Ethernet Switches (TeraPHYe)9 Jul 2026US 2026/0197107 A1Ayar Labs, Inc.
Most cited
By later US patents
- System and method for optical coherence imaging448US 7,366,376 B2The General Hospital Corporation · 2008
- Dynamically reconfigurable WDM optical communication systems with optical routing systems110US 5,712,932 ACiena Corporation · 1998
- Optical power management in an optical network72US 6,304,347 B1ONI Systems Corp. · 2001
- Wavelength division multiplexed optical communication system architectures65US 8,655,190 B2Infinera Corporation · 2014
- Method and apparatus for restoring a network64US 6,130,876 AAT&T Corp. · 2000