H04B 10/0775
Performance monitoring and measurement of transmission parameters
Official title: {Performance monitoring and measurement of transmission parameters}
H04B10/0775 (Performance monitoring and measurement of transmission parameters) appears on 705 US grants and 714 published applications in this corpus.
Search patents in H04B- Granted patents
- 705
- Published applications
- 714
- Assignees
- 239
- Inventors
- 1,457
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 18 | 4 |
| 2002 | 14 | 26 |
| 2003 | 16 | 17 |
| 2004 | 12 | 30 |
| 2005 | 14 | 20 |
| 2006 | 16 | 7 |
| 2007 | 16 | 11 |
| 2008 | 15 | 14 |
| 2009 | 11 | 20 |
| 2010 | 14 | 12 |
| 2011 | 15 | 15 |
| 2012 | 14 | 26 |
| 2013 | 19 | 22 |
| 2014 | 27 | 28 |
| 2015 | 32 | 35 |
| 2016 | 36 | 48 |
| 2017 | 54 | 50 |
| 2018 | 49 | 49 |
| 2019 | 66 | 41 |
| 2020 | 44 | 53 |
| 2021 | 40 | 34 |
| 2022 | 44 | 39 |
| 2023 | 31 | 34 |
| 2024 | 21 | 34 |
| 2025 | 30 | 21 |
| 2026 | 14 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Optical transmission device, optical transmission system, optical module, and optical controller1 Oct 2026US 2026/0303220 A11FINITY Inc.
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Most cited
By later US patents
- Passive optical communication network with broadband upgrade115US 5,321,541 AAT&T Bell Laboratories · 1994
- Method and monitoring device for monitoring the quality of data transmission over analog lines103US 6,748,342 B1Nokia Corporation · 2004
- Method for detecting a check-back signal in an optical transmission system102US 7,920,787 B2Nokia Siemens Networks Oy · 2011
- Signal transmission system and method for supervising the same96US 6,229,631 B1Oki Electric Industry Co., Ltd. · 2001
- Spectroscopic imaging probes, devices, and methods92US 8,953,911 B1LightLab Imaging, Inc. · 2015