H04B 10/29
Repeaters
H04B10/29 (Repeaters) appears on 3,085 US grants and 2,525 published applications in this corpus.
Search patents in H04B- Granted patents
- 3,085
- Published applications
- 2,525
- Assignees
- 675
- Inventors
- 4,200
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 5 | 0 |
| 1983 | 5 | 0 |
| 1984 | 1 | 0 |
| 1985 | 6 | 0 |
| 1986 | 6 | 0 |
| 1987 | 8 | 0 |
| 1988 | 8 | 0 |
| 1989 | 11 | 0 |
| 1990 | 16 | 0 |
| 1991 | 13 | 0 |
| 1992 | 18 | 0 |
| 1993 | 30 | 0 |
| 1994 | 41 | 0 |
| 1995 | 45 | 0 |
| 1996 | 54 | 0 |
| 1997 | 43 | 0 |
| 1998 | 75 | 0 |
| 1999 | 75 | 0 |
| 2000 | 117 | 0 |
| 2001 | 121 | 52 |
| 2002 | 182 | 223 |
| 2003 | 188 | 186 |
| 2004 | 161 | 222 |
| 2005 | 138 | 176 |
| 2006 | 189 | 111 |
| 2007 | 127 | 120 |
| 2008 | 106 | 72 |
| 2009 | 87 | 72 |
| 2010 | 75 | 72 |
| 2011 | 60 | 65 |
| 2012 | 63 | 62 |
| 2013 | 56 | 45 |
| 2014 | 67 | 49 |
| 2015 | 69 | 62 |
| 2016 | 61 | 64 |
| 2017 | 66 | 64 |
| 2018 | 64 | 73 |
| 2019 | 82 | 77 |
| 2020 | 74 | 84 |
| 2021 | 85 | 82 |
| 2022 | 77 | 112 |
| 2023 | 77 | 99 |
| 2024 | 70 | 108 |
| 2025 | 64 | 95 |
| 2026 | 76 | 78 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and system for monitoring non-linear effects along an optical communication line22 Sep 2026US 12,744,599 B2Huawei Technologies Co., Ltd.
- Optical fiber-based tsunami warning system using submarine telecommunication cables15 Sep 2026US 12,736,375 B2California Institute of Technology
- Optical repeater device and relay method8 Sep 2026US 12,732,275 B2Kabushiki Kaisha Toshiba
- Multi-band coexistence element8 Sep 2026US 12,732,276 B2Verizon Patent and Licensing Inc.
- Optical network unit testing in a multi-wavelength passive optical network system8 Sep 2026US 12,732,298 B2Verizon Patent and Licensing Inc.
- Optical relay apparatus, optical transmission system, and optical relay method8 Oct 2026US 2026/0312687 A1NEC Corporation
- Optical transmission device and optical transmission method1 Oct 2026US 2026/0303209 A1NTT, Inc.
- Control method for multiband optical transmission system, communication device, and storage medium1 Oct 2026US 2026/0303216 A1Zte Corporation
- Signal flatness adjustment method, electronic device and computer-readable medium24 Sep 2026US 2026/0291610 A1Zte Corporation
- Seabed optical communication system, method for controlling same, and non-transitory computer-readable medium having control program stored therein17 Sep 2026US 2026/0280697 A1NEC Corporation
Most cited
By later US patents
- Node device, repeater and methods for use therewith461US 9,749,053 B2AT&T Intellectual Property I, L. P. · 2017
- Local area network optical fiber data communication278US 4,366,565 A1982
- Line mounted apparatus for remote measurement of power system or environmental parameters beyond line-of-site distanc272US 4,801,937 A1989
- High power fiber gain media system achieved through power scaling via multiplexing216US 6,212,310 B1SDL, Inc. · 2001
- Optical communication systems using raman repeaters and components therefor167US 4,616,898 APolaroid Corporation · 1986