H04B 10/516
Details of coding or modulation
H04B10/516 (Details of coding or modulation) appears on 3,614 US grants and 3,881 published applications in this corpus.
Search patents in H04B- Granted patents
- 3,614
- Published applications
- 3,881
- Assignees
- 908
- Inventors
- 5,201
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 6 | 0 |
| 1990 | 3 | 0 |
| 1991 | 16 | 0 |
| 1992 | 5 | 0 |
| 1993 | 9 | 0 |
| 1994 | 12 | 0 |
| 1995 | 7 | 0 |
| 1996 | 7 | 0 |
| 1997 | 6 | 0 |
| 1998 | 12 | 0 |
| 1999 | 20 | 0 |
| 2000 | 6 | 0 |
| 2001 | 11 | 6 |
| 2002 | 24 | 39 |
| 2003 | 32 | 54 |
| 2004 | 19 | 50 |
| 2005 | 11 | 55 |
| 2006 | 37 | 46 |
| 2007 | 34 | 54 |
| 2008 | 45 | 65 |
| 2009 | 43 | 70 |
| 2010 | 44 | 81 |
| 2011 | 54 | 87 |
| 2012 | 71 | 116 |
| 2013 | 70 | 106 |
| 2014 | 145 | 172 |
| 2015 | 175 | 225 |
| 2016 | 209 | 227 |
| 2017 | 272 | 322 |
| 2018 | 303 | 282 |
| 2019 | 368 | 313 |
| 2020 | 320 | 275 |
| 2021 | 262 | 260 |
| 2022 | 242 | 265 |
| 2023 | 215 | 195 |
| 2024 | 213 | 215 |
| 2025 | 152 | 162 |
| 2026 | 107 | 139 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04B 10/548Phase or frequency modulation1,156
- H04B 10/54Intensity modulation1,044
- H04B 10/532Polarisation modulation533
- H04B 10/5161Combination of different modulation schemes459
- H04B 10/524Pulse modulation317
- H04B 10/5165Carrier suppressed142
- H04B 10/5162Return-to-zero modulation schemes98
- H04B 10/5167Duo-binary72
Recent patents
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- Method and system of optical communication with high spectral efficiency and low power consumption based on joint channel coding modulation29 Sep 2026US 12,750,140 B2Beijing Institute of Technology
- Communication method, apparatus, and system22 Sep 2026US 12,744,597 B2Huawei Technologies Co., Ltd.
- 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
- Optical transmission system and operating method thereof8 Oct 2026US 2026/0312690 A1Agency for Defense Development
- Multi-Band Software-Defined Radio System for Detecting Surroundings, as Well as Methods and Motor Vehicle8 Oct 2026US 2026/0312691 A1Volkswagen Aktiengesellschaft
- Dual-polarization bidirectional optical devices1 Oct 2026US 2026/0303218 A1
- Optical transmission device, optical transmission system, optical module, and optical controller1 Oct 2026US 2026/0303220 A11FINITY Inc.
Most cited
By later US patents
- Living body inspecting apparatus and noninvasive blood analyzer using the same270US 6,353,750 B1Sysmex Corporation · 2002
- Communication system231US 6,271,790 B1Smith Technology Development · 2001
- Method and apparatus for improving spectral efficiency in wavelength division multiplexed transmission systems196US 6,134,033 ATyco Submarine Systems Ltd. · 2000
- System and method for communication using orbital angular momentum with multiple layer overlay modulation160US 9,077,577 B12015
- RF processing system and method153US 10,630,391 B1MagiQ Technologies, Inc. · 2020