H04B 10/0777
Monitoring line amplifier or line repeater equipment
Official title: {Monitoring line amplifier or line repeater equipment}
H04B10/0777 (Monitoring line amplifier or line repeater equipment) appears on 235 US grants and 143 published applications in this corpus.
Search patents in H04B- Granted patents
- 235
- Published applications
- 143
- Assignees
- 81
- Inventors
- 385
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 8 | 0 |
| 1996 | 17 | 0 |
| 1997 | 6 | 0 |
| 1998 | 9 | 0 |
| 1999 | 12 | 0 |
| 2000 | 9 | 0 |
| 2001 | 16 | 3 |
| 2002 | 9 | 11 |
| 2003 | 9 | 14 |
| 2004 | 4 | 7 |
| 2005 | 8 | 8 |
| 2006 | 7 | 3 |
| 2007 | 9 | 7 |
| 2008 | 6 | 3 |
| 2009 | 2 | 3 |
| 2010 | 2 | 4 |
| 2011 | 5 | 5 |
| 2012 | 5 | 3 |
| 2013 | 3 | 2 |
| 2014 | 7 | 8 |
| 2015 | 4 | 4 |
| 2016 | 5 | 2 |
| 2017 | 5 | 5 |
| 2018 | 7 | 5 |
| 2019 | 6 | 5 |
| 2020 | 5 | 7 |
| 2021 | 7 | 7 |
| 2022 | 5 | 9 |
| 2023 | 6 | 6 |
| 2024 | 6 | 6 |
| 2025 | 2 | 4 |
| 2026 | 6 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and system for monitoring non-linear effects along an optical communication line22 Sep 2026US 12,744,599 B2Huawei Technologies Co., Ltd.
- Pump modulation for optical amplifier link communication8 Sep 2026US 12,731,953 B2II-Vi Delaware, Inc.
- 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
- Optical amplifier apparatus and method10 Mar 2026US 12,574,112 B2Telefonaktiebolaget LM Ericsson (publ)
- Optical amplifier and gain adjustment method for optical amplifier3 Mar 2026US 12,567,714 B2Huawei Technologies Co., Ltd.
- Optical transmission system and optical transmission device26 Mar 2026US 2026/0088897 A11FINITY Inc.
- Optical transmission device and optical transmission system26 Mar 2026US 2026/0088898 A11FINITY Inc.
- Method and system for monitoring non-linear effects along an optical communication line20 Nov 2025US 2025/0358009 A1Huawei Technologies Co., Ltd.
- Optical data signal receiver30 Oct 2025US 2025/0337500 A1Top Integrated Circuits Ltd
- Optical transmission apparatus and optical transmission method5 Jun 2025US 2025/0184001 A1Fujitsu Limited
Most cited
By later US patents
- Method and apparatus for monitoring performance of optical transmission systems159US 5,513,029 ANorthern Telecom Limited · 1996
- Optical fiber transmission system and supervision method of the same114US 5,500,756 AHitachi, Ltd. · 1996
- Signal transmission system and method for supervising the same96US 6,229,631 B1Oki Electric Industry Co., Ltd. · 2001
- Method of and apparatus for detecting and reporting faults in an all-optical communications system91US 5,914,794 AMCI Communications Corporation · 1999
- Optical communication system and optical amplifier82US 6,023,366 AFujitsu Limited · 2000