H04J 14/052
Using multicore fibre
Official title: {using multicore fibre (mode multiplex systems H04J14/04)}
H04J14/052 (Using multicore fibre) appears on 120 US grants and 166 published applications in this corpus.
Search patents in H04J- Granted patents
- 120
- Published applications
- 166
- Assignees
- 59
- Inventors
- 290
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2010 | 0 | 2 |
| 2011 | 0 | 4 |
| 2012 | 0 | 8 |
| 2013 | 3 | 10 |
| 2014 | 7 | 8 |
| 2015 | 11 | 13 |
| 2016 | 13 | 9 |
| 2017 | 9 | 8 |
| 2018 | 5 | 11 |
| 2019 | 9 | 6 |
| 2020 | 7 | 11 |
| 2021 | 8 | 10 |
| 2022 | 11 | 15 |
| 2023 | 7 | 18 |
| 2024 | 11 | 17 |
| 2025 | 11 | 10 |
| 2026 | 8 | 6 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Technique to reduce signal crosstalk between cores in a multi-core optical fiber transmission8 Sep 2026US 12,732,300 B2NTT, Inc.
- Metasurface-based optical signal manipulation devices for optical fiber communications28 Jul 2026US 12,693,473 B2Corning Incorporated
- Equalization apparatus, optical transmission system, and equalization method28 Jul 2026US 12,695,507 B2NEC Corporation
- Optical transmission system, and optical transmission method26 May 2026US 12,640,814 B2NEC Corporation
- I/Q coding method for SDM communication system over optical fibre26 May 2026US 12,640,832 B2Mimopt Technology
- Optical Circuit Switch With Multi-Core Fibers And Optical Systems Implementing Same6 Aug 2026US 2026/0227576 A1Google Inc.
- Method for measuring crosstalk between spatial channels, and device for measuring crosstalk between spatial channels6 Aug 2026US 2026/0230178 A1Sumitomo Electric Industries, Ltd.
- Optical transmission link, optical transmission system and optical transmission method23 Jul 2026US 2026/0213868 A1NTT, Inc.
- Signal processing circuit, receiver, and signal processing method28 May 2026US 2026/0149527 A1NEC Corporation
- Distributed reconfigurable switching node for multiple core fiber30 Apr 2026US 2026/0122380 A1Subcom, LLC
Most cited
By later US patents
- Multicore fiber transmission systems and methods19US 8,725,001 B2OFS Fitel, LLC · 2014
- Space-division multiplexed reconfigurable, wavelength selective switch18US 10,996,399 B2Roadmap Systems Ltd · 2021
- Long distance multi-mode communication17US 9,319,139 B2Futurewei Technologies, Inc. · 2016
- Wireless distributed antenna MIMO17US 9,917,672 B2Technical University of Denmark · 2018
- Fiber communication systems and methods16US 10,944,478 B2Cable Television Laboratories, Inc. · 2021