H04B 10/0779
Monitoring line transmitter or line receiver equipment
Official title: {Monitoring line transmitter or line receiver equipment}
H04B10/0779 (Monitoring line transmitter or line receiver equipment) appears on 165 US grants and 179 published applications in this corpus.
Search patents in H04B- Granted patents
- 165
- Published applications
- 179
- Assignees
- 86
- Inventors
- 393
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 2 |
| 2002 | 3 | 3 |
| 2003 | 4 | 5 |
| 2004 | 3 | 5 |
| 2005 | 0 | 2 |
| 2006 | 1 | 5 |
| 2007 | 3 | 4 |
| 2008 | 6 | 3 |
| 2009 | 2 | 3 |
| 2010 | 4 | 5 |
| 2011 | 1 | 2 |
| 2012 | 2 | 9 |
| 2013 | 4 | 4 |
| 2014 | 10 | 11 |
| 2015 | 5 | 13 |
| 2016 | 12 | 12 |
| 2017 | 9 | 7 |
| 2018 | 16 | 9 |
| 2019 | 14 | 18 |
| 2020 | 13 | 9 |
| 2021 | 8 | 15 |
| 2022 | 8 | 7 |
| 2023 | 5 | 11 |
| 2024 | 8 | 5 |
| 2025 | 8 | 6 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical transmission line monitoring device, optical transmission line monitoring method, and recording medium storing optical transmission line monitoring program25 Aug 2026US 12,719,570 B2NEC Corporation
- System and method for automatic tuning of an optical transceiver in an optical network16 Jun 2026US 12,659,028 B2Fonex Data Systems Inc.
- Optical transmission system and transmission mode selecting method28 Oct 2025US 12,457,040 B2NTT, Inc.
- Apparatus and method for measuring nonlinear system noises28 Oct 2025US 12,457,041 B2Fujitsu Limited
- High power and data delivery in a communications network with safety and fault protection19 Aug 2025US 12,395,364 B2Cisco Technology, Inc.
- Transmitter Quality Metric for a standalone estimate of Coherent Optical Transmitter Performance14 May 2026US 2026/0135674 A1Ciena Corporation
- Optical transmission system and optical transmission device26 Mar 2026US 2026/0088899 A11FINITY Inc.
- Optical network management device and optical network management method5 Feb 2026US 2026/0039380 A11FINITY Inc.
- Optical transmission system and transmission mode selecting method5 Feb 2026US 2026/0039389 A1NTT, Inc.
- Transmitter-receiver intermediate frequency (if)-assisted decomposition of system transfer function25 Dec 2025US 2025/0392394 A1Ciena Corporation
Most cited
By later US patents
- Passive optical communication network with broadband upgrade115US 5,321,541 AAT&T Bell Laboratories · 1994
- Signal transmission system and method for supervising the same96US 6,229,631 B1Oki Electric Industry Co., Ltd. · 2001
- High power and data delivery in a communications network with safety and fault protection80US 10,735,105 B2Cisco Technology, Inc. · 2020
- Wavelength division multiplexing passive optical network including broadcast overlay76US 5,694,234 ALucent Technologies Inc. · 1997
- Passive optical network with diagnostic loop-back74US 5,907,417 ALucent Technologies Inc. · 1999