H04J 2014/0253
Allocation of downstream wavelengths for upstream transmission
Official title: {Allocation of downstream wavelengths for upstream transmission}
H04J2014/0253 (Allocation of downstream wavelengths for upstream transmission) appears on 113 US grants and 139 published applications in this corpus.
Search patents in H04J- Granted patents
- 113
- Published applications
- 139
- Assignees
- 68
- Inventors
- 282
- Latest grant
- 21 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
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| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 2 |
| 2005 | 1 | 9 |
| 2006 | 3 | 13 |
| 2007 | 4 | 6 |
| 2008 | 7 | 4 |
| 2009 | 7 | 11 |
| 2010 | 5 | 18 |
| 2011 | 4 | 14 |
| 2012 | 9 | 11 |
| 2013 | 11 | 6 |
| 2014 | 14 | 9 |
| 2015 | 5 | 10 |
| 2016 | 9 | 7 |
| 2017 | 9 | 6 |
| 2018 | 3 | 4 |
| 2019 | 4 | 3 |
| 2020 | 5 | 1 |
| 2021 | 0 | 1 |
| 2022 | 2 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Multi-wavelength laser system for optical data communication links and associated methods21 Oct 2025US 12,451,663 B2Ayar Labs, Inc.
- Multi-wavelength laser system for optical data communication links and associated methods20 Jun 2023US 11,682,879 B2Ayar Labs, Inc.
- Optical line terminal and optical fiber access system with increased flexibility20 Sep 2022US 11,451,318 B2Danmarks Tekniske Universitet
- Multi-wavelength laser system for optical data communication links and associated methods25 Jan 2022US 11,233,371 B2Ayar Labs, Inc.
- Anode materials for lithium ion batteries and methods of making and using same27 Oct 2020US 10,819,400 B2Johnson Matthey Public Limited Company
- Multi-Wavelength Laser System for Optical Data Communication Links and Associated Methods2 Nov 2023US 2023/0352897 A1Ayar Labs, Inc.
- Multi-Wavelength Laser System for Optical Data Communication Links and Associated Methods12 May 2022US 2022/0149582 A1Ayar Labs, Inc.
- Optical Line Terminal and Optical Fiber Access System With Increased Flexibility18 Nov 2021US 2021/0359780 A1Danmarks Tekniske Universitet
- Multi-Wavelength Laser System for Optical Data Communication Links and Associated Methods28 May 2020US 2020/0169056 A1Ayar Labs, Inc.
- Optical Network Unit Wavelength Tuning11 Jul 2019US 2019/0215093 A1Google Inc.
Most cited
By later US patents
- Wavelength division multiplexing-passive optical network system227US 9,008,513 B2Electronics and Telecommunications Research Institute · 2015
- Wireless wavelength division multiplexed system104US 7,409,159 B2HRL Laboratories, LLC · 2008
- Communication system based on remote interrogation of terminal equipment96US 5,559,624 ALucent Technologies Inc. · 1996
- Passive photonic loop architecture employing wavelength multiplexing95US 5,221,983 ABell Communications Research, Inc. · 1993
- Wavelength division multiplexing passive optical network including broadcast overlay76US 5,694,234 ALucent Technologies Inc. · 1997