H02M 3/01
Resonant dc/dc converters
Official title: {Resonant DC/DC converters}
H02M3/01 (Resonant dc/dc converters) appears on 2,371 US grants and 2,986 published applications in this corpus.
Search patents in H02M- Granted patents
- 2,371
- Published applications
- 2,986
- Assignees
- 871
- Inventors
- 4,523
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 11 | 0 |
| 1993 | 8 | 0 |
| 1994 | 11 | 0 |
| 1995 | 11 | 0 |
| 1996 | 7 | 0 |
| 1997 | 16 | 0 |
| 1998 | 11 | 0 |
| 1999 | 25 | 0 |
| 2000 | 18 | 0 |
| 2001 | 11 | 10 |
| 2002 | 29 | 24 |
| 2003 | 22 | 18 |
| 2004 | 10 | 12 |
| 2005 | 11 | 18 |
| 2006 | 15 | 30 |
| 2007 | 20 | 26 |
| 2008 | 15 | 37 |
| 2009 | 16 | 29 |
| 2010 | 28 | 48 |
| 2011 | 28 | 46 |
| 2012 | 28 | 50 |
| 2013 | 49 | 45 |
| 2014 | 38 | 62 |
| 2015 | 46 | 92 |
| 2016 | 87 | 69 |
| 2017 | 83 | 93 |
| 2018 | 107 | 106 |
| 2019 | 126 | 145 |
| 2020 | 141 | 174 |
| 2021 | 149 | 209 |
| 2022 | 201 | 284 |
| 2023 | 213 | 358 |
| 2024 | 237 | 366 |
| 2025 | 294 | 336 |
| 2026 | 217 | 299 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus for an aerosol generating device6 Oct 2026US 12,751,497 B2Nicoventures Trading Limited
- Power supply apparatus6 Oct 2026US 12,756,294 B2Delta Electronics, Inc.
- Resonant converter with multiple conversion circuits6 Oct 2026US 12,756,303 B2GS Yuasa International Ltd.
- Multiphase LLC resonant converter6 Oct 2026US 12,756,304 B2GS Yuasa International Ltd.
- Fabrication trade-off based optimal synthesis of winding configurations for planar transformer in capacitor-inductor-inductor-capacitor (CLLC) direct current (DC)-DC converter6 Oct 2026US 12,756,322 B2Arizona Board of Regents on behalf of Arizona State University
- Printing device and method for controlling the same8 Oct 2026US 2026/0307384 A1Samsung Display Co., Ltd.
- Synchronous rectification driving method and apparatus, and device and direct-current converter8 Oct 2026US 2026/0312479 A1Vertiv Corporation
- Resonant power converter and method of forming8 Oct 2026US 2026/0312490 A1GE Aviation Systems LLC
- Multiport active bridge (mab) converter with equalized leakage inductances8 Oct 2026US 2026/0312504 A1Hitachi Energy Ltd
- Transformer and electrical device with transformer1 Oct 2026US 2026/0302058 A1
Most cited
By later US patents
- Wireless non-radiative energy transfer952US 7,741,734 B2Massachusetts Institute of Technology · 2010
- Adaptive inductive power supply393US 7,212,414 B2Access Business Group International LLC · 2007
- Wireless non-radiative energy transfer349US 8,084,889 B2Massachusetts Institute of Technology · 2011
- Wireless non-radiative energy transfer298US 8,395,282 B2Massachusetts Institute of Technology · 2013
- Adaptive inductive power supply with communication296US 8,116,681 B2Access Business Group International LLC · 2012