H04B 10/2972
Each direction being amplified separately
Official title: {Each direction being amplified separately}
H04B10/2972 (Each direction being amplified separately) appears on 96 US grants and 69 published applications in this corpus.
Search patents in H04B- Granted patents
- 96
- Published applications
- 69
- Assignees
- 59
- Inventors
- 207
- Latest grant
- 1 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 7 | 0 |
| 2001 | 8 | 2 |
| 2002 | 7 | 8 |
| 2003 | 4 | 3 |
| 2004 | 5 | 7 |
| 2005 | 4 | 2 |
| 2006 | 4 | 2 |
| 2007 | 4 | 0 |
| 2008 | 1 | 0 |
| 2009 | 1 | 2 |
| 2010 | 0 | 3 |
| 2011 | 0 | 0 |
| 2012 | 3 | 1 |
| 2013 | 1 | 2 |
| 2014 | 4 | 1 |
| 2015 | 1 | 2 |
| 2016 | 1 | 2 |
| 2017 | 4 | 2 |
| 2018 | 1 | 3 |
| 2019 | 2 | 1 |
| 2020 | 2 | 8 |
| 2021 | 5 | 8 |
| 2022 | 8 | 4 |
| 2023 | 2 | 2 |
| 2024 | 2 | 2 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System, apparatus and method for two-way transport of data over a single fiber strand1 Apr 2025US 12,267,109 B2NOVEC Solutions, Inc.
- Optical signal processing method and apparatus14 Jan 2025US 12,199,677 B2Huawei Technologies Co., Ltd.
- Colorless splitter/combiner cable assembly8 Oct 2024US 12,113,574 B2II-Vi Delaware, Inc.
- System, apparatus and method for two-way transport of data over a single fiber strand18 Jun 2024US 12,015,444 B2NOVEC Solutions, Inc.
- Switched amplifier for data transmission27 Jun 2023US 11,689,346 B2ARRIS Enterprises LLC
- Optical transmission apparatus, optical transmission system, and optical transmission method22 Jan 2026US 2026/0025206 A1Fujitsu Limited
- System, apparatus and method for two-way transport of data over a single fiber strand31 Jul 2025US 2025/0247152 A1NOVEC Solutions, Inc.
- Pluggable optical amplifier for datacenter interconnects19 Dec 2024US 2024/0421908 A1II-Vi Delaware, Inc.
- System, apparatus and method for two-way transport of data over a single fiber strand10 Oct 2024US 2024/0340084 A1NOVEC Solutions, Inc.
- Optical communication link with remote optically pumped amplifier12 Oct 2023US 2023/0327765 A1ADVA Optical Networking SE
Most cited
By later US patents
- Bidirectional WDM optical communication systems with bidirectional optical amplifiers135US 5,742,416 ACiena Corporation · 1998
- Multichannel optical fiber communications89US 5,633,741 ALucent Technologies Inc. · 1997
- Highly scalable modular optical amplifier based subsystem82US 6,236,499 B1Nortel Networks Limited · 2001
- Optical transmission systems using optical amplifiers and wavelength division multiplexing69US 5,801,858 ANorthern Telecom Limited · 1998
- Optical communications system for the subscriber area with optical amplifiers59US 5,337,175 AAlcatel · 1994