H04B 10/0799
Monitoring line transmitter or line receiver equipment
Official title: {Monitoring line transmitter or line receiver equipment}
H04B10/0799 (Monitoring line transmitter or line receiver equipment) appears on 339 US grants and 346 published applications in this corpus.
Search patents in H04B- Granted patents
- 339
- Published applications
- 346
- Assignees
- 164
- Inventors
- 758
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 8 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 5 |
| 2003 | 3 | 6 |
| 2004 | 1 | 19 |
| 2005 | 8 | 8 |
| 2006 | 10 | 12 |
| 2007 | 11 | 10 |
| 2008 | 5 | 8 |
| 2009 | 7 | 13 |
| 2010 | 11 | 10 |
| 2011 | 15 | 7 |
| 2012 | 7 | 15 |
| 2013 | 7 | 13 |
| 2014 | 22 | 21 |
| 2015 | 22 | 16 |
| 2016 | 19 | 29 |
| 2017 | 19 | 18 |
| 2018 | 25 | 18 |
| 2019 | 24 | 14 |
| 2020 | 21 | 18 |
| 2021 | 22 | 19 |
| 2022 | 16 | 18 |
| 2023 | 13 | 19 |
| 2024 | 12 | 8 |
| 2025 | 13 | 17 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical transmission line monitoring device and optical transmission line monitoring method22 Sep 2026US 12,744,595 B21FINITY Inc.
- High-speed single-ended-to-differential converter with skew control8 Sep 2026US 12,732,283 B1Sicily Merger Sub II, Inc.
- Systems and methods for phase compensation16 Jun 2026US 12,659,041 B1Cable Television Laboratories, Inc.
- Enhanced disturbance monitoring and localization enabled by digital signal processing (DSP)-based laser phase noise estimation28 Apr 2026US 12,613,128 B2Ciena Corporation
- Setup and training of links between host devices and optical modules including menu-based and multi-stage link training16 Dec 2025US 12,500,668 B1Marvell Asia Pte Ltd
- Polarization state monitoring apparatus, polarization state monitoring method, and non-transitory computer-readable medium17 Sep 2026US 2026/0280701 A1NEC Corporation
- Estimating loss in optical circuit switch networks17 Sep 2026US 2026/0280702 A1Microsoft Technology Licensing, LLC
- Method, apparatus, and system for determining performance of coherent transmitter, device, and medium13 Aug 2026US 2026/0238341 A1Huawei Technologies Co., Ltd.
- Optimization of spectrum sharing in optical line systems23 Jul 2026US 2026/0213840 A1Ciena Corporation
- System for monitoring optical fiber distribution networks12 Feb 2026US 2026/0046023 A1Furukawa Electric Latam S.A.
Most cited
By later US patents
- Guided-wave transmission device with non-fundamental mode propagation and methods for use therewith468US 9,627,768 B2AT&T Intellectual Property I, L. P. · 2017
- Optimized optical transmission system for high capacity transmission129US 5,717,510 AFujitsu Limited · 1998
- Passive optical communication network with broadband upgrade115US 5,321,541 AAT&T Bell Laboratories · 1994
- Optical communication system which determines the spectrum of a wavelength division multiplexed signal and performs various processes in accordance with the determined spectrum109US 5,894,362 AFujitsu Limited · 1999
- Signal transmission system and method for supervising the same96US 6,229,631 B1Oki Electric Industry Co., Ltd. · 2001