H01F 13/003
Methods and devices for magnetising permanent magnets
Official title: {Methods and devices for magnetising permanent magnets (permanent magnets H01F7/02)}
H01F13/003 (Methods and devices for magnetising permanent magnets) appears on 375 US grants and 350 published applications in this corpus.
Search patents in H01F- Granted patents
- 375
- Published applications
- 350
- Assignees
- 225
- Inventors
- 779
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 7 | 0 |
| 1978 | 7 | 0 |
| 1979 | 5 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 8 | 0 |
| 2000 | 11 | 0 |
| 2001 | 3 | 1 |
| 2002 | 1 | 11 |
| 2003 | 7 | 6 |
| 2004 | 8 | 10 |
| 2005 | 9 | 9 |
| 2006 | 7 | 10 |
| 2007 | 5 | 5 |
| 2008 | 5 | 15 |
| 2009 | 6 | 12 |
| 2010 | 10 | 3 |
| 2011 | 7 | 16 |
| 2012 | 11 | 10 |
| 2013 | 15 | 15 |
| 2014 | 13 | 13 |
| 2015 | 9 | 20 |
| 2016 | 11 | 19 |
| 2017 | 13 | 24 |
| 2018 | 19 | 19 |
| 2019 | 14 | 19 |
| 2020 | 23 | 16 |
| 2021 | 13 | 15 |
| 2022 | 17 | 19 |
| 2023 | 14 | 16 |
| 2024 | 14 | 20 |
| 2025 | 13 | 14 |
| 2026 | 11 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of manufacturing permanent magnets6 Oct 2026US 12,755,879 B2
- Magnetization method and magnetization apparatus6 Oct 2026US 12,755,884 B2Toyota Jidosha Kabushiki Kaisha
- Rotor, motor, and rotor manufacturing method1 Sep 2026US 12,726,061 B2Kawasaki Jukogyo Kabushiki Kaisha
- Apparatus for manufacturing rotor18 Aug 2026US 12,712,107 B2Denso Corporation
- Magnetization method and magnetization apparatus14 Jul 2026US 12,683,055 B2Toyota Jidosha Kabushiki Kaisha
- Magnetic miniature robots24 Sep 2026US 2026/0284869 A1Nanyang Technological University
- Magnet module, sensor module, and method for manufacturing magnet module10 Sep 2026US 2026/0269114 A1Panasonic Intellectual Property Management Co., Ltd.
- Sintered magnet, method for making sintered magnet and pressing mold30 Jul 2026US 2026/0221338 A1TDK Corporation
- Rotating electric machine and method of manufacturing field magneton thereof9 Jul 2026US 2026/0196892 A1Mitsubishi Electric Corporation
- Manufacturing of spatially variable permanent magnet2 Jul 2026US 2026/0188571 A1Ford Global Technologies, LLC
Most cited
By later US patents
- Magnets with varying magnetization direction and method of making such magnets134US 6,940,379 B2Stereotaxis, Inc. · 2005
- Magnetic pole layout method and a magnetizing device for double-wing opposite attraction soft magnet and a product thereof126US 6,927,657 B12005
- Methods and apparatus for magnetic field shimming115US 10,145,913 B2Hyperfine Research, Inc. · 2018
- Position encoder using saturable reactor interacting with magnetic fields varying with time and with position104US 6,118,271 AScientific Generics Limited · 2000
- Magnets with varying magnetization direction and method of making such magnets98US 7,286,034 B2Stereotaxis, Inc. · 2007