H04B 10/0797
Monitoring line amplifier or line repeater equipment
Official title: {Monitoring line amplifier or line repeater equipment}
H04B10/0797 (Monitoring line amplifier or line repeater equipment) appears on 159 US grants and 133 published applications in this corpus.
Search patents in H04B- Granted patents
- 159
- Published applications
- 133
- Assignees
- 67
- Inventors
- 291
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 5 | 4 |
| 2003 | 3 | 3 |
| 2004 | 2 | 6 |
| 2005 | 4 | 4 |
| 2006 | 3 | 2 |
| 2007 | 3 | 5 |
| 2008 | 5 | 1 |
| 2009 | 2 | 4 |
| 2010 | 2 | 2 |
| 2011 | 3 | 5 |
| 2012 | 1 | 6 |
| 2013 | 8 | 5 |
| 2014 | 1 | 6 |
| 2015 | 11 | 9 |
| 2016 | 7 | 8 |
| 2017 | 10 | 11 |
| 2018 | 11 | 7 |
| 2019 | 12 | 5 |
| 2020 | 8 | 8 |
| 2021 | 10 | 6 |
| 2022 | 4 | 7 |
| 2023 | 7 | 8 |
| 2024 | 5 | 5 |
| 2025 | 4 | 2 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical transmission system, signal quality measurement apparatus and signal quality measurement method7 Jul 2026US 12,676,671 B2NTT, Inc.
- Optical amplifier and gain adjustment method for optical amplifier3 Mar 2026US 12,567,714 B2Huawei Technologies Co., Ltd.
- Blind pump laser detection10 Feb 2026US 12,548,970 B2II-Vi Delaware, Inc.
- Optical link optimization based on signal and interferer power discrimination9 Dec 2025US 12,494,842 B2Ciena Corporation
- Auto-squelching optical traffic channels in an ASE-loaded system2 Dec 2025US 12,489,525 B2Ciena Corporation
- Optical transmission device and optical transmission method1 Oct 2026US 2026/0303209 A1NTT, Inc.
- Optical transmission device and optical transmission method3 Sep 2026US 2026/0261340 A1NTT, Inc.
- Optical relay device, wavelength conversion device, optical communication system, and optical relay method6 Aug 2026US 2026/0230184 A1NEC Corporation
- Optical Line System Physical Digital Model Calibration Using a Differential Algorithm23 Apr 2026US 2026/0113138 A1NEC Laboratories America, Inc.
- Optical transmission system, signal quality measurement apparatus and signal quality measurement method17 Jul 2025US 2025/0233659 A1Nippon Telegraph and Telephone Corporation
Most cited
By later US patents
- Method of determining optical amplifier failures137US 6,064,501 ANortel Networks Limited · 2000
- Optimized optical transmission system for high capacity transmission129US 5,717,510 AFujitsu Limited · 1998
- Signal transmission system and method for supervising the same96US 6,229,631 B1Oki Electric Industry Co., Ltd. · 2001
- Multiplex optical communication system48US 5,805,322 AFujitsu Limited · 1998
- Optical transmission system, optical multiplexing transmission system, and related peripheral techniques47US 5,991,477 AFujitsu Limited · 1999