H04J 14/0254
Optical medium access
Official title: {Optical medium access}
H04J14/0254 (Optical medium access) appears on 1,682 US grants and 1,891 published applications in this corpus.
Search patents in H04J- Granted patents
- 1,682
- Published applications
- 1,891
- Assignees
- 344
- Inventors
- 2,516
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 5 |
| 2003 | 4 | 14 |
| 2004 | 3 | 10 |
| 2005 | 0 | 13 |
| 2006 | 10 | 12 |
| 2007 | 9 | 14 |
| 2008 | 13 | 10 |
| 2009 | 19 | 60 |
| 2010 | 27 | 79 |
| 2011 | 29 | 92 |
| 2012 | 61 | 173 |
| 2013 | 103 | 152 |
| 2014 | 159 | 136 |
| 2015 | 169 | 135 |
| 2016 | 132 | 122 |
| 2017 | 138 | 124 |
| 2018 | 119 | 108 |
| 2019 | 151 | 123 |
| 2020 | 127 | 101 |
| 2021 | 92 | 105 |
| 2022 | 101 | 89 |
| 2023 | 74 | 82 |
| 2024 | 51 | 61 |
| 2025 | 45 | 43 |
| 2026 | 36 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Optical network unit, central office node and methods of configuring an optical network unit22 Sep 2026US 12,744,616 B2Telefonaktiebolaget LM Ericsson (publ)
- 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
- Central unit and remote unit25 Aug 2026US 12,719,579 B2Huawei Technologies Co., Ltd.
- Line concentrator optical communication apparatus and control method25 Aug 2026US 12,719,601 B2NTT, Inc.
- 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
- Wavelength Management in Multi-Rail Optical Networks13 Aug 2026US 2026/0238373 A1Ciena Corporation
- Coordinated Layer-0 and Layer-1 Control for Right-Sizing Optical Interfaces6 Aug 2026US 2026/0230177 A1Ciena Corporation
- Gnsr-aware spectral slot assignment with wavelength converters6 Aug 2026US 2026/0230214 A11FINITY 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
- Transmitter photonic integrated circuit (TxPIC) chips78US 7,885,492 B2Infinera Corporation · 2011
- 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