H01F 2003/106
Magnetic circuits using combinations of different magnetic materials
Official title: {Magnetic circuits using combinations of different magnetic materials}
H01F2003/106 (Magnetic circuits using combinations of different magnetic materials) appears on 307 US grants and 451 published applications in this corpus.
Search patents in H01F- Granted patents
- 307
- Published applications
- 451
- Assignees
- 205
- Inventors
- 941
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
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| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 2 |
| 2004 | 2 | 2 |
| 2005 | 3 | 0 |
| 2006 | 0 | 4 |
| 2007 | 0 | 3 |
| 2008 | 1 | 3 |
| 2009 | 2 | 2 |
| 2010 | 3 | 5 |
| 2011 | 1 | 9 |
| 2012 | 5 | 10 |
| 2013 | 9 | 15 |
| 2014 | 8 | 19 |
| 2015 | 8 | 29 |
| 2016 | 13 | 24 |
| 2017 | 16 | 26 |
| 2018 | 23 | 36 |
| 2019 | 20 | 40 |
| 2020 | 32 | 35 |
| 2021 | 20 | 27 |
| 2022 | 29 | 40 |
| 2023 | 24 | 27 |
| 2024 | 27 | 35 |
| 2025 | 21 | 34 |
| 2026 | 18 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Coupled inductor18 Aug 2026US 12,712,116 B2Cyntec Co., Ltd.
- Reactor, converter, and power conversion device4 Aug 2026US 12,700,531 B2Autonetworks Technologies, Ltd.
- Sandwich structure power supply module4 Aug 2026US 12,701,660 B2Monolithic Power Systems, Inc.
- Induction charging device for a vehicle charging system14 Jul 2026US 12,683,072 B2Mahle International GmbH
- Magnetic component for an electrical and/or electronic module2 Jun 2026US 12,646,646 B2Robert Bosch GmbH
- Electromagnetic interference filter20 Aug 2026US 2026/0246438 A1Lite-On Technology Corporation
- Integrally formed inductor and its manufacturing method for the same13 Aug 2026US 2026/0237543 A1HONG DANG Technology Co., Ltd.
- Magnetic Device and the Method to Make the Same30 Jul 2026US 2026/0221333 A1Cyntec Co., Ltd.
- Reactor, converter, and power conversion device23 Jul 2026US 2026/0213066 A1Autonetworks Technologies, Ltd.
- Plated magnetic material for coupled coaxial magnetic integrated inductor16 Jul 2026US 2026/0206135 A1Intel Corporation
Most cited
By later US patents
- Composite magnetic core for switch-mode power converters157US 6,980,077 B1ColdWatt, Inc. · 2005
- Magnetic element and method of manufacturing the same114US 6,392,525 B1Matsushita Electric Industrial Co., Ltd. · 2002
- Method and apparatus for delivering power to semiconductors80US 10,128,764 B1VLT, Inc. · 2018
- Power supply circuit with integrated magnetic components73US 5,335,163 AScanpower · 1994
- Integrated electromagnetic interference filter60US 5,083,101 AIntegrated Power Components, Inc. · 1992