H02J 50/12
Of the resonant type
Official title: of the resonant type
H02J50/12 (Of the resonant type) appears on 8,138 US grants and 10,456 published applications in this corpus.
Search patents in H02J- Granted patents
- 8,138
- Published applications
- 10,456
- Assignees
- 1,652
- Inventors
- 9,515
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 7 | 0 |
| 1998 | 8 | 0 |
| 1999 | 13 | 0 |
| 2000 | 15 | 0 |
| 2001 | 9 | 2 |
| 2002 | 15 | 16 |
| 2003 | 7 | 16 |
| 2004 | 10 | 16 |
| 2005 | 10 | 21 |
| 2006 | 17 | 15 |
| 2007 | 13 | 41 |
| 2008 | 8 | 44 |
| 2009 | 22 | 127 |
| 2010 | 32 | 197 |
| 2011 | 69 | 339 |
| 2012 | 107 | 455 |
| 2013 | 173 | 505 |
| 2014 | 279 | 700 |
| 2015 | 386 | 803 |
| 2016 | 552 | 750 |
| 2017 | 724 | 880 |
| 2018 | 845 | 820 |
| 2019 | 883 | 749 |
| 2020 | 710 | 638 |
| 2021 | 704 | 651 |
| 2022 | 619 | 687 |
| 2023 | 506 | 659 |
| 2024 | 575 | 539 |
| 2025 | 489 | 466 |
| 2026 | 303 | 320 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Wireless power transmitters for transmitting power at extended separation distances with magnetic connectors6 Oct 2026US 12,756,229 B2NuCurrent, Inc.
- Swinging coils in multi-coil wireless chargers6 Oct 2026US 12,756,234 B2Aira, Inc.
- Electronic device and wireless power transmission/reception method in electronic device6 Oct 2026US 12,756,235 B2Samsung Electronics Co., 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.
- Ground power supply device and wiring8 Oct 2026US 2026/0307513 A1Denso Corporation
- Magnetic core desaturation methods for magnetic energy harvesting8 Oct 2026US 2026/0312426 A1The Florida State University Research Foundation, Inc.
- Magnetic core desaturation methods for magnetic energy harvesting8 Oct 2026US 2026/0312427 A1The Florida State University Research Foundation, Inc.
- Wireless Charger and Receiving Load of Backward Compatibility That Automatically Identifies Fast and Slow Charging8 Oct 2026US 2026/0312430 A1Pi Power Product(Shenzhen)Company Limited
- Apparatus, systems and methods for scalable 3d wireless charging utilizing multiple coils8 Oct 2026US 2026/0312431 A1GaN Systems Inc.
Most cited
By later US patents
- Autoclavable charging device for a rechargeable energy store of a surgical instrument and associated method1,010US 8,810,197 B2Olympus Winter & Ibe GmbH · 2014
- Wireless non-radiative energy transfer952US 7,741,734 B2Massachusetts Institute of Technology · 2010
- Recharge of an implantable device in the presence of other conductive objects880US 8,818,523 B2Medtronic, Inc. · 2014
- Planar resonator for wireless power transfer610US 6,960,968 B2Koninklijke Philips Electronics N. V. · 2005
- Inductive power source and charging system591US 7,952,322 B2Mojo Mobility, Inc. · 2011