H01F 41/0206
Manufacturing of magnetic cores by mechanical means
Official title: {Manufacturing of magnetic cores by mechanical means (magnetic cores per se H01F27/24)}
H01F41/0206 (Manufacturing of magnetic cores by mechanical means) appears on 2,010 US grants and 2,479 published applications in this corpus.
Search patents in H01F- Granted patents
- 2,010
- Published applications
- 2,479
- Assignees
- 745
- Inventors
- 4,355
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 6 | 0 |
| 1978 | 7 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 9 | 0 |
| 1982 | 6 | 0 |
| 1983 | 3 | 0 |
| 1984 | 9 | 0 |
| 1985 | 15 | 0 |
| 1986 | 15 | 0 |
| 1987 | 12 | 0 |
| 1988 | 16 | 0 |
| 1989 | 13 | 0 |
| 1990 | 16 | 0 |
| 1991 | 20 | 0 |
| 1992 | 17 | 0 |
| 1993 | 17 | 0 |
| 1994 | 16 | 0 |
| 1995 | 17 | 0 |
| 1996 | 17 | 0 |
| 1997 | 16 | 0 |
| 1998 | 13 | 0 |
| 1999 | 18 | 0 |
| 2000 | 31 | 0 |
| 2001 | 22 | 9 |
| 2002 | 23 | 41 |
| 2003 | 43 | 48 |
| 2004 | 33 | 58 |
| 2005 | 21 | 44 |
| 2006 | 27 | 50 |
| 2007 | 34 | 51 |
| 2008 | 26 | 57 |
| 2009 | 31 | 61 |
| 2010 | 38 | 88 |
| 2011 | 41 | 63 |
| 2012 | 48 | 64 |
| 2013 | 49 | 86 |
| 2014 | 52 | 80 |
| 2015 | 48 | 96 |
| 2016 | 63 | 97 |
| 2017 | 69 | 127 |
| 2018 | 74 | 152 |
| 2019 | 88 | 150 |
| 2020 | 126 | 171 |
| 2021 | 109 | 205 |
| 2022 | 116 | 172 |
| 2023 | 171 | 159 |
| 2024 | 153 | 156 |
| 2025 | 115 | 119 |
| 2026 | 72 | 75 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Manufacturing method of coil component and coil component29 Sep 2026US 12,746,712 B2Sumida Corporation
- Metal magnetic particle, inductor, method for manufacturing metal magnetic particle, and method for manufacturing metal magnetic core22 Sep 2026US 12,744,151 B2Murata Manufacturing Co., Ltd.
- Power inductor, preparation method of power inductor, and system in package module15 Sep 2026US 12,738,407 B2Huawei Digital Power Technologies Co., Ltd.
- HV apparatus and a method of manufacturing such apparatus15 Sep 2026US 12,738,415 B2Hitachi Energy Ltd
- Coil component8 Sep 2026US 12,731,724 B2Murata Manufacturing Co., Ltd.
- Additive manufacturing polymers with high metal inclusion content8 Oct 2026US 2026/0308813 A1The Research Foundation for The State University of New York
- Method for fabricating inductors and inductor1 Oct 2026US 2026/0302059 A1Anhui University
- Additively manufactured passive components for high frequency applications24 Sep 2026US 2026/0284745 A1University of Pittsburgh—Of the Commonwealth System of Higher Education
- Improved temperature-stable soft-magnetic powder24 Sep 2026US 2026/0290665 A1BASF SE
- Systems and methods for topographic mapping to design magnetic cores24 Sep 2026US 2026/0290671 A1UT-Battelle, LLC
Most cited
By later US patents
- Contact-less power transfer495US 6,906,495 B2Splashpower Limited · 2005
- Contact-less power transfer438US 7,525,283 B2Access Business Group International LLC · 2009
- Ferromagnetic powder for dust core300US 7,498,080 B2Foxconn Technology Co., Ltd. · 2009
- Materials and products using nanostructured non-stoichiometric substances226US 6,344,271 B12002
- Nanotechnology for biomedical products224US 6,572,672 B2NanoProducts Corporation · 2003