H02M 7/043
Using transformers or inductors only
Official title: {using transformers or inductors only}
H02M7/043 (Using transformers or inductors only) appears on 48 US grants and 57 published applications in this corpus.
Search patents in H02M- Granted patents
- 48
- Published applications
- 57
- Assignees
- 52
- Inventors
- 130
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 2 | 2 |
| 2008 | 0 | 1 |
| 2009 | 2 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 2 | 3 |
| 2016 | 3 | 2 |
| 2017 | 0 | 2 |
| 2018 | 4 | 2 |
| 2019 | 3 | 5 |
| 2020 | 6 | 10 |
| 2021 | 5 | 4 |
| 2022 | 3 | 9 |
| 2023 | 5 | 2 |
| 2024 | 6 | 2 |
| 2025 | 1 | 5 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Wireless charging device, alignment method, system, and charging base11 Aug 2026US 12,706,486 B2Huawei Digital Power Technologies Co., Ltd.
- Power supply module and transformer power supply device16 Jun 2026US 12,658,820 B2Delta Electronics (Shanghai) Co., Ltd.
- Transformer and method of generating multiple multiphase output signals4 Nov 2025US 12,462,974 B2The Boeing Company
- Power supply device and image forming apparatus22 Oct 2024US 12,126,272 B2Canon Kabushiki Kaisha
- Transformer and method of generating multiple multiphase output signals23 Apr 2024US 11,967,453 B2The Boeing Company
- Energy conversion device with integrated active cell balancing19 Feb 2026US 2026/0051827 A1Enphase Energy, Inc.
- Radiation tolerant high voltage ac to low voltage dc power conversion system7 Aug 2025US 2025/0253779 A1Hamilton Sundstrand Corporation
- Electric power converter3 Jul 2025US 2025/0219548 A1
- Power Converter, Primary-Side Controller, Secondary-Side Controller, and Related Control Method Capable of Operating in Standby Mode26 Jun 2025US 2025/0211086 A1Weltrend Semiconductor Inc.
- Power receiving device and program5 Jun 2025US 2025/0183721 A1Denso Corporation
Most cited
By later US patents
- Core structure83US 6,873,237 B2Innovative Technology Licensing, LLC · 2005
- Core structure and interleaved DC—DC converter topology73US 7,046,523 B2ColdWatt, Inc. · 2006
- Extended E matrix integrated magnetics (MIM) core57US 7,280,026 B2ColdWatt, Inc. · 2007
- Extended E matrix integrated magnetics (MIM) core37US 7,633,369 B2Flextronics International USA, Inc. · 2009
- Extended E matrix integrated magnetics (MIM) core24US 8,134,443 B2Flextronics International USA, Inc. · 2012