H04J 14/0246
Using one wavelength per onu
Official title: {using one wavelength per ONU}
H04J14/0246 (Using one wavelength per onu) appears on 807 US grants and 866 published applications in this corpus.
Search patents in H04J- Granted patents
- 807
- Published applications
- 866
- Assignees
- 253
- Inventors
- 1,528
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 7 | 0 |
| 1995 | 1 | 0 |
| 1996 | 12 | 0 |
| 1997 | 3 | 0 |
| 1998 | 12 | 0 |
| 1999 | 13 | 0 |
| 2000 | 13 | 0 |
| 2001 | 8 | 7 |
| 2002 | 17 | 39 |
| 2003 | 17 | 58 |
| 2004 | 19 | 44 |
| 2005 | 16 | 59 |
| 2006 | 41 | 78 |
| 2007 | 43 | 74 |
| 2008 | 49 | 52 |
| 2009 | 64 | 104 |
| 2010 | 55 | 58 |
| 2011 | 51 | 37 |
| 2012 | 67 | 51 |
| 2013 | 40 | 50 |
| 2014 | 57 | 31 |
| 2015 | 45 | 29 |
| 2016 | 35 | 14 |
| 2017 | 29 | 13 |
| 2018 | 15 | 16 |
| 2019 | 13 | 13 |
| 2020 | 13 | 8 |
| 2021 | 8 | 8 |
| 2022 | 10 | 6 |
| 2023 | 8 | 6 |
| 2024 | 7 | 0 |
| 2025 | 2 | 6 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multi-band coexistence element18 Aug 2026US 12,712,635 B2Verizon Patent and Licensing Inc.
- Supporting communications in optical communication systems21 Jul 2026US 12,689,849 B2Nokia Solutions and Networks Oy
- Wavelength configuration apparatus and system, and wavelength configuration method9 Jun 2026US 12,652,120 B2Huawei Technologies Co., Ltd.
- Multi-band coexistence element21 Apr 2026US 12,609,770 B2Frontier Communications Holdings, LLC
- Methods and systems for delivery of multiple passive optical network services10 Feb 2026US RE50,793 E1CommScope Technologies LLC
- Optical communication network system20 Aug 2026US 2026/0246556 A1Keio University
- Multi-band coexistence element16 Jul 2026US 2026/0205199 A1Frontier Communications Holdings, LLC
- Signal transmission system, optical transmission apparatus and signal transmission method25 Jun 2026US 2026/0180706 A1NTT, Inc.
- Optical distribution apparatus, optical distribution network unit, and network system15 Jan 2026US 2026/0016651 A1Zte Corporation
- Optical transmission apparatus and optical transmission method8 Jan 2026US 2026/0012280 A1Nippon Telegraph and Telepone Corporation
Most cited
By later US patents
- Power line communications system and method of operating the same239US 7,321,291 B2Current Technologies, LLC · 2008
- Wavelength division multiplexing-passive optical network system227US 9,008,513 B2Electronics and Telecommunications Research Institute · 2015
- Method and apparatus for multiplexing in a wireless communication infrastructure211US 6,826,163 B2NEXTG Networks · 2004
- 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