H04B 10/25
Arrangements specific to fibre transmission
H04B10/25 (Arrangements specific to fibre transmission) appears on 8,031 US grants and 7,903 published applications in this corpus.
Search patents in H04B- Granted patents
- 8,031
- Published applications
- 7,903
- Assignees
- 1,902
- Inventors
- 11,473
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 11 | 0 |
| 1978 | 14 | 0 |
| 1979 | 8 | 0 |
| 1980 | 15 | 0 |
| 1981 | 11 | 0 |
| 1982 | 6 | 0 |
| 1983 | 11 | 0 |
| 1984 | 14 | 0 |
| 1985 | 11 | 0 |
| 1986 | 7 | 0 |
| 1987 | 18 | 0 |
| 1988 | 18 | 0 |
| 1989 | 25 | 0 |
| 1990 | 23 | 0 |
| 1991 | 33 | 0 |
| 1992 | 30 | 0 |
| 1993 | 38 | 0 |
| 1994 | 61 | 0 |
| 1995 | 57 | 0 |
| 1996 | 80 | 0 |
| 1997 | 52 | 0 |
| 1998 | 72 | 0 |
| 1999 | 104 | 0 |
| 2000 | 99 | 0 |
| 2001 | 140 | 69 |
| 2002 | 186 | 278 |
| 2003 | 180 | 262 |
| 2004 | 203 | 325 |
| 2005 | 188 | 276 |
| 2006 | 236 | 212 |
| 2007 | 200 | 180 |
| 2008 | 174 | 158 |
| 2009 | 130 | 181 |
| 2010 | 155 | 167 |
| 2011 | 121 | 180 |
| 2012 | 158 | 207 |
| 2013 | 183 | 229 |
| 2014 | 237 | 316 |
| 2015 | 320 | 418 |
| 2016 | 378 | 399 |
| 2017 | 462 | 491 |
| 2018 | 475 | 546 |
| 2019 | 573 | 468 |
| 2020 | 513 | 472 |
| 2021 | 419 | 442 |
| 2022 | 450 | 444 |
| 2023 | 378 | 373 |
| 2024 | 321 | 310 |
| 2025 | 252 | 290 |
| 2026 | 175 | 210 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Chromatic dispersion estimation method for coherent optical network6 Oct 2026US 12,756,467 B1Cable Television Laboratories, Inc.
- Transforming a multipoint-to-point HFC cable network to a point-to-point HFC network6 Oct 2026US 12,756,468 B2Charter Communications Operating, LLC
- Optical communication cable with selective communication states6 Oct 2026US 12,756,469 B2Mellanox Technologies, Ltd.
- High-precision distributed broadband microwave photonic local oscillator signal transmission system based on frequency tuning6 Oct 2026US 12,756,470 B2China Electronics Technology Group Corporation No 44 Research Institute
- Methods and apparatuses providing optical beamforming crossbar arrays for radio communications6 Oct 2026US 12,756,482 B2Huawei Technologies Co., Ltd.
- Assembly for transmitting light and optical transceiver including same8 Oct 2026US 2026/0312685 A1Optomind Inc.
- Microwave photon broadband phase-stabilized transmission center station based on amplitude-phase multiplexing and transmission system having the same8 Oct 2026US 2026/0312686 A1China Electronics Technology Group Corporation No 44 Research Institute
- Segmented receiver for phase-modulated signals8 Oct 2026US 2026/0312693 A1Raytheon Company
- Parallelized Optical Link Calibration Over an Optical Section8 Oct 2026US 2026/0312714 A1Ciena Corporation
- Optical fiber sensing system, optical fiber sensing device, and breakage detection method1 Oct 2026US 2026/0298674 A1NEC Corporation
Most cited
By later US patents
- Shaft, e.g., for an electro-mechanical surgical device1,633US 8,960,519 B2Covidien LP · 2015
- Shaft for an electro-mechanical surgical device764US 9,504,455 B2Covidien LP · 2016
- Backhaul link for distributed antenna system604US 9,113,347 B2AT&T Intellectual Property I, L. P. · 2015
- Radio communication system572US 7,043,271 B1Kabushiki Kaisha Toshiba · 2006
- Transmission device with mode division multiplexing and methods for use therewith487US 9,544,006 B2AT&T Intellectual Property I, L. P. · 2017