H04B 5/26
Using coils
Official title: using coils
H04B5/26 (Using coils) appears on 3,576 US grants and 4,206 published applications in this corpus.
Search patents in H04B- Granted patents
- 3,576
- Published applications
- 4,206
- Assignees
- 1,191
- Inventors
- 5,722
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 7 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 5 | 0 |
| 1997 | 7 | 0 |
| 1998 | 8 | 0 |
| 1999 | 12 | 0 |
| 2000 | 8 | 0 |
| 2001 | 11 | 0 |
| 2002 | 9 | 10 |
| 2003 | 16 | 7 |
| 2004 | 2 | 18 |
| 2005 | 5 | 26 |
| 2006 | 13 | 20 |
| 2007 | 10 | 24 |
| 2008 | 13 | 53 |
| 2009 | 8 | 74 |
| 2010 | 27 | 96 |
| 2011 | 38 | 115 |
| 2012 | 66 | 184 |
| 2013 | 109 | 256 |
| 2014 | 144 | 270 |
| 2015 | 218 | 319 |
| 2016 | 273 | 330 |
| 2017 | 318 | 355 |
| 2018 | 349 | 404 |
| 2019 | 393 | 345 |
| 2020 | 327 | 277 |
| 2021 | 274 | 280 |
| 2022 | 256 | 206 |
| 2023 | 207 | 206 |
| 2024 | 163 | 142 |
| 2025 | 159 | 118 |
| 2026 | 73 | 71 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Device and method for performing authentication in wireless power transmission system29 Sep 2026US 12,750,092 B2LG Electronics Inc.
- Short-range wireless communication device22 Sep 2026US 12,744,321 B2Murata Manufacturing Co., Ltd.
- Device and method for regulating voltage swing across an antenna of a near-field communications device15 Sep 2026US 12,738,965 B2Nordic Semiconductor ASA
- Modular wireless charging transmitter assembly system8 Sep 2026US 12,733,125 B2Aptiv Technologies AG
- PDE branching method and device in wireless power transmission system1 Sep 2026US 12,726,045 B2LG Electronics Inc.
- A system for enhancing nfc communication with a programmable driver inside a metal housing8 Oct 2026US 2026/0312622 A1Signify Holding B. V.
- Primary connection part, in particular plug-in connection part, for a connecting device for inductively transmitting signals, set, connecting device and measuring device17 Sep 2026US 2026/0280604 A1Knick Elektronische Messgeräte GmbH & Co. KG
- Connection system, in particular plug-in connection system, for induc-tively contactlessly transmitting data and/or power supply signals and combination17 Sep 2026US 2026/0280605 A1Knick Elektronische Messgeräte GmbH & Co. KG
- Low Cost Communications Demodulation for Wireless Power System3 Sep 2026US 2026/0261155 A1NuCurrent, Inc.
- Wireless charging method and electronic device supporting same3 Sep 2026US 2026/0262111 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Non-contact surgical adapter electrical interface823US 10,164,466 B2Covidien LP · 2018
- Device for quantitatively measuring the relative position and orientation of two bodies in the presence of metals utilizing direct current magnetic fields735US 4,945,305 AAscension Technology Corporation · 1990
- Wireless energy transfer using planar capacitively loaded conducting loop resonators449US 8,035,255 B2WiTricity Corporation · 2011
- Microstimulator employing improved recharging reporting and telemetry techniques440US 7,437,193 B2Boston Scientific Neuromodulation Corporation · 2008
- Device for measuring position and orientation using non-dipole magnet IC fields436US 5,600,330 AAscension Technology Corporation · 1997