H04J 14/0228
Wavelength allocation for communications one-to-all
Official title: {Wavelength allocation for communications one-to-all, e.g. broadcasting wavelengths}
H04J14/0228 (Wavelength allocation for communications one-to-all) appears on 461 US grants and 473 published applications in this corpus.
Search patents in H04J- Granted patents
- 461
- Published applications
- 473
- Assignees
- 197
- Inventors
- 937
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 8 | 0 |
| 1997 | 7 | 0 |
| 1998 | 7 | 0 |
| 1999 | 10 | 0 |
| 2000 | 6 | 0 |
| 2001 | 1 | 5 |
| 2002 | 7 | 26 |
| 2003 | 8 | 33 |
| 2004 | 9 | 24 |
| 2005 | 13 | 31 |
| 2006 | 25 | 34 |
| 2007 | 20 | 34 |
| 2008 | 30 | 31 |
| 2009 | 24 | 34 |
| 2010 | 30 | 19 |
| 2011 | 23 | 10 |
| 2012 | 21 | 16 |
| 2013 | 14 | 11 |
| 2014 | 21 | 14 |
| 2015 | 15 | 18 |
| 2016 | 14 | 12 |
| 2017 | 16 | 11 |
| 2018 | 7 | 18 |
| 2019 | 23 | 16 |
| 2020 | 23 | 14 |
| 2021 | 12 | 15 |
| 2022 | 15 | 14 |
| 2023 | 15 | 8 |
| 2024 | 8 | 5 |
| 2025 | 8 | 11 |
| 2026 | 8 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Optical network unit testing in a multi-wavelength passive optical network system8 Sep 2026US 12,732,298 B2Verizon Patent and Licensing Inc.
- Communication system and method for ultra-flexible and ultra-reliable laser beam based wireless communication18 Aug 2026US 12,712,657 B2Wireless Photonics LLC
- Systems and methods for diagnosing anomalies occurring within a passive optical network via integrated domains4 Aug 2026US 12,700,922 B1Verizon Patent and Licensing Inc.
- Bonding over sub-carrier multiplexed channels30 Jun 2026US 12,671,517 B2Ciena Corporation
- Optical network unit, optical line terminal and method, device and medium for communication16 Jun 2026US 12,659,633 B2Nokia Solutions and Networks Oy
- Wavelength division multiplexing (wdm) lane shuffling in a network27 Aug 2026US 2026/0255090 A1Mellanox Technologies, Ltd.
- Communication system and method for ultra-flexible and ultra-reliable laser beam based wireless communication4 Jun 2026US 2026/0155906 A1Wireless Photonics LLC
- Technology-aware optical device for an optical network28 May 2026US 2026/0149524 A1Nokia Solutions and Networks Oy
- Selectively Mapping of Bit Streams Across Each of a Plurality of Optical Fibers28 May 2026US 2026/0149526 A1Cspeed Inc.
- Multi-path, smart optical time-domain reflectometer7 May 2026US 2026/0128789 A1AT&T Intellectual Property I, L. P.
Most cited
By later US patents
- Digital communication network architecture for providing universal information services520US 4,763,317 AAmerican Telephone and Telegraph Company, AT&T Bell Laboratories · 1988
- Power line communications system and method of operating the same239US 7,321,291 B2Current Technologies, LLC · 2008
- Distributed termination system for two-way hybrid networks210US 6,490,727 B1Harmonic, Inc. · 2002
- Power line communications device and method of use202US 7,382,232 B2Current Technologies, LLC · 2008
- System and method for packet level distributed routing in fiber optic rings168US 6,532,088 B1Alcatel · 2003