H02J 50/402
The two or more transmitting or the two or more receiving devices
Official title: {the two or more transmitting or the two or more receiving devices being integrated in the same unit, e.g. power mats with several coils or antennas with several sub-antennas}
H02J50/402 (The two or more transmitting or the two or more receiving devices) appears on 2,197 US grants and 2,878 published applications in this corpus.
Search patents in H02J- Granted patents
- 2,197
- Published applications
- 2,878
- Assignees
- 784
- Inventors
- 3,861
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 6 | 2 |
| 2003 | 1 | 7 |
| 2004 | 5 | 6 |
| 2005 | 5 | 9 |
| 2006 | 2 | 8 |
| 2007 | 9 | 22 |
| 2008 | 9 | 29 |
| 2009 | 5 | 23 |
| 2010 | 14 | 51 |
| 2011 | 25 | 67 |
| 2012 | 29 | 88 |
| 2013 | 47 | 101 |
| 2014 | 56 | 118 |
| 2015 | 71 | 185 |
| 2016 | 101 | 166 |
| 2017 | 142 | 159 |
| 2018 | 207 | 170 |
| 2019 | 170 | 171 |
| 2020 | 140 | 194 |
| 2021 | 192 | 231 |
| 2022 | 192 | 286 |
| 2023 | 200 | 292 |
| 2024 | 236 | 217 |
| 2025 | 182 | 171 |
| 2026 | 131 | 104 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Wireless charging device6 Oct 2026US 12,756,214 B2Inventec Corporation
- Magnetic wireless charger6 Oct 2026US 12,756,228 B2Scanstrut Limited
- Electronic device and wireless power transmission/reception method in electronic device6 Oct 2026US 12,756,235 B2Samsung Electronics Co., Ltd.
- Automotive car seat wireless charging system6 Oct 2026US 12,756,238 B2Yank Technologies, Inc.
- Wireless power transmission apparatus with multiple primary coils and adjacent coil muting6 Oct 2026US 12,756,240 B2GE Intellectual Property Licensing, LLC
- Ground power supply device and wiring8 Oct 2026US 2026/0307513 A1Denso Corporation
- Apparatus, systems and methods for scalable 3d wireless charging utilizing multiple coils8 Oct 2026US 2026/0312431 A1GaN Systems Inc.
- Wireless power transmission system8 Oct 2026US 2026/0312439 A1Delta Electronics (Thailand) Public Co., Ltd.
- Layered double-d coil for wireless power transfer systems1 Oct 2026US 2026/0302836 A1Tennessee Technological University
- Electronic device including coil assembly24 Sep 2026US 2026/0291284 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Inductive power adapter1,119US 7,378,817 B2Microsoft Corporation · 2008
- Method and apparatus for wireless powering and recharging696US 6,127,799 AGTE Internetworking Incorporated · 2000
- System and method for wireless electrical power transmission675US 6,798,716 B1BC Systems, Inc · 2004
- Power source, charging system, and inductive receiver for mobile devices528US 7,948,208 B2Mojo Mobility, Inc. · 2011
- Power transmission network519US 7,844,306 B2Powercast Corporation · 2010