H02M 7/4815
Resonant converters
Official title: {Resonant converters (H02M7/4811 and H02M7/4826 take precedence)}
H02M7/4815 (Resonant converters) appears on 784 US grants and 924 published applications in this corpus.
Search patents in H02M- Granted patents
- 784
- Published applications
- 924
- Assignees
- 477
- Inventors
- 1,768
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 2 |
| 2002 | 7 | 8 |
| 2003 | 9 | 6 |
| 2004 | 6 | 10 |
| 2005 | 3 | 8 |
| 2006 | 7 | 5 |
| 2007 | 6 | 13 |
| 2008 | 10 | 15 |
| 2009 | 6 | 7 |
| 2010 | 10 | 18 |
| 2011 | 6 | 21 |
| 2012 | 11 | 24 |
| 2013 | 20 | 27 |
| 2014 | 15 | 61 |
| 2015 | 40 | 56 |
| 2016 | 52 | 42 |
| 2017 | 54 | 57 |
| 2018 | 56 | 64 |
| 2019 | 77 | 56 |
| 2020 | 63 | 65 |
| 2021 | 50 | 59 |
| 2022 | 55 | 54 |
| 2023 | 51 | 65 |
| 2024 | 45 | 72 |
| 2025 | 50 | 62 |
| 2026 | 37 | 47 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Appliance with modular full-bridge driver and DC source22 Sep 2026US 12,744,451 B1Impulse Labs, Inc.
- High-frequency power supply device and control method of the same22 Sep 2026US 12,744,471 B2Mitsubishi Electric Corporation
- Apparatus and method for generating a magnetic field15 Sep 2026US 12,734,372 B2Zimmer MedizinSysteme GmbH
- Method and device for controlling resonant inductor for implementing ZVS in push-pull parallel resonant inverter of wireless power transmission device1 Sep 2026US 12,726,047 B2Electronics and Telecommunications Research Institute
- Rapid and precise high frequency inverter initialization process for induction heating systems1 Sep 2026US 12,726,111 B2Inductoheat, Inc.
- Cooking appliance1 Oct 2026US 2026/0304565 A1LG Electronics Inc.
- Multi-resonant electrosurgical generator10 Sep 2026US 2026/0263140 A1Cilag GmbH International
- Voltage balancing circuits with integrated braking chopper for series connected inverters10 Sep 2026US 2026/0269742 A1ABB Schweiz AG
- Power converter3 Sep 2026US 2026/0261195 A1Panasonic Intellectual Property Management Co., Ltd.
- Power converter3 Sep 2026US 2026/0261200 A1Panasonic Intellectual Property Management Co., Ltd.
Most cited
By later US patents
- Adaptive inductive power supply393US 7,212,414 B2Access Business Group International LLC · 2007
- System and method for powering a load326US 7,382,636 B2Access Business Group International LLC · 2008
- Non-contact power distribution system323US 5,898,579 AAuckland Uniservices Limited · 1999
- Adaptive inductive power supply286US 7,639,514 B2Access Business Group International LLC · 2009
- Resonant current driven power source for low input voltages193US 4,639,844 AVenus Scientific Inc. · 1987