H02J 50/20
Circuit arrangements or systems for wireless supply or distribution of electric power
Official title: using microwaves or radio frequency waves
H02J50/20 (Circuit arrangements or systems for wireless supply or distribution of electric power) appears on 3,065 US grants and 3,952 published applications in this corpus.
Search patents in H02J- Granted patents
- 3,065
- Published applications
- 3,952
- Assignees
- 994
- Inventors
- 4,898
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 1 |
| 2002 | 6 | 6 |
| 2003 | 5 | 9 |
| 2004 | 5 | 8 |
| 2005 | 4 | 7 |
| 2006 | 3 | 14 |
| 2007 | 4 | 22 |
| 2008 | 6 | 36 |
| 2009 | 4 | 52 |
| 2010 | 22 | 73 |
| 2011 | 40 | 110 |
| 2012 | 44 | 111 |
| 2013 | 64 | 104 |
| 2014 | 87 | 162 |
| 2015 | 95 | 201 |
| 2016 | 133 | 236 |
| 2017 | 192 | 252 |
| 2018 | 303 | 284 |
| 2019 | 322 | 292 |
| 2020 | 257 | 305 |
| 2021 | 267 | 259 |
| 2022 | 288 | 280 |
| 2023 | 242 | 333 |
| 2024 | 258 | 325 |
| 2025 | 234 | 276 |
| 2026 | 152 | 194 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electronic device and method for calibrating temperature related scattering matrix of temperature sensitive device6 Oct 2026US 12,754,080 B2Mediatek Inc.
- Device for displaying in response to a sensed motion6 Oct 2026US 12,756,232 B2May Patents Ltd.
- Systems and methods for dynamically tuning a wireless power transfer system6 Oct 2026US 12,756,236 B2NuCurrent, Inc.
- Systems and methods for dynamically tuning a wireless power transfer system6 Oct 2026US 12,756,237 B2NuCurrent, Inc.
- Automotive car seat wireless charging system6 Oct 2026US 12,756,238 B2Yank Technologies, Inc.
- Systems and methods for smart vehicle access for vehicles with a dead battery8 Oct 2026US 2026/0307514 A1GM Global Technology Operations LLC
- Antenna device and electronic apparatus8 Oct 2026US 2026/0312288 A1Sony Group Corporation
- Radome and method of heating a surface of a radome8 Oct 2026US 2026/0312289 A1Solace Power Inc.
- Signal processing device and search method8 Oct 2026US 2026/0312432 A1Ablic Inc.
- Terminal and energy charge method8 Oct 2026US 2026/0312436 A1Ntt Docomo, Inc.
Most cited
By later US patents
- Charging of devices by microwave power beaming715US 6,967,462 B1NASA Glenn Research Center · 2005
- Method and apparatus for wireless powering and recharging696US 6,127,799 AGTE Internetworking Incorporated · 2000
- Apparatus for energizing a remote station and related method646US 6,615,074 B2University of Pittsburgh—Of the Commonwealth System of Higher Education · 2003
- Systems and methods for wireless power640US 8,115,448 B22012
- Method and apparatus for a wireless power supply572US 7,027,311 B2FireFly Power Technologies, Inc. · 2006