H01F 1/01
Magnets or magnetic bodies characterised by the magnetic materials therefor: of inorganic
Official title: of inorganic materials (H01F1/44 takes precedence)
H01F1/01 (Magnets or magnetic bodies characterised by the magnetic materials therefor: of inorganic) appears on 7,333 US grants and 7,919 published applications in this corpus.
Search patents in H01F- Granted patents
- 7,333
- Published applications
- 7,919
- Assignees
- 1,952
- Inventors
- 12,531
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 77 | 0 |
| 1977 | 52 | 0 |
| 1978 | 62 | 0 |
| 1979 | 49 | 0 |
| 1980 | 54 | 0 |
| 1981 | 78 | 0 |
| 1982 | 54 | 0 |
| 1983 | 58 | 0 |
| 1984 | 63 | 0 |
| 1985 | 60 | 0 |
| 1986 | 60 | 0 |
| 1987 | 45 | 0 |
| 1988 | 61 | 0 |
| 1989 | 96 | 0 |
| 1990 | 107 | 0 |
| 1991 | 116 | 0 |
| 1992 | 96 | 0 |
| 1993 | 99 | 0 |
| 1994 | 61 | 0 |
| 1995 | 91 | 0 |
| 1996 | 90 | 0 |
| 1997 | 87 | 0 |
| 1998 | 100 | 0 |
| 1999 | 108 | 0 |
| 2000 | 99 | 0 |
| 2001 | 133 | 45 |
| 2002 | 150 | 170 |
| 2003 | 162 | 176 |
| 2004 | 128 | 192 |
| 2005 | 95 | 145 |
| 2006 | 97 | 171 |
| 2007 | 105 | 164 |
| 2008 | 102 | 165 |
| 2009 | 98 | 202 |
| 2010 | 106 | 231 |
| 2011 | 129 | 233 |
| 2012 | 151 | 248 |
| 2013 | 148 | 288 |
| 2014 | 125 | 296 |
| 2015 | 148 | 391 |
| 2016 | 208 | 343 |
| 2017 | 272 | 358 |
| 2018 | 257 | 451 |
| 2019 | 325 | 460 |
| 2020 | 352 | 472 |
| 2021 | 337 | 508 |
| 2022 | 356 | 566 |
| 2023 | 410 | 477 |
| 2024 | 420 | 491 |
| 2025 | 349 | 365 |
| 2026 | 247 | 311 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Dispersed iron oxide magnetic powder slurry and method for producing same6 Oct 2026US 12,753,089 B2Dowa Electronics Materials Co., Ltd.
- Soft magnetic alloy powder and production method therefor6 Oct 2026US 12,753,473 B2Mitsubishi Steel Mfg. Co., Ltd.
- Systems and methods for a remote control actuator6 Oct 2026US 12,753,743 B2Trustees of Tufts College
- Flexible high-temperature superconductor and method for its production6 Oct 2026US 12,755,869 B2S-Innovations LLC
- Anisotropic iron nitride permanent magnets6 Oct 2026US 12,755,878 B2Niron Magnetics, Inc.
- Method for producing insulation coating treatment liquid for grain-oriented electrical steel sheet and method for producing grain-oriented electrical steel sheet8 Oct 2026US 2026/0308387 A1Nippon Steel Corporation
- Low iron loss fe-based amorphous alloy having high saturation magnetization value8 Oct 2026US 2026/0308737 A1Chang Sung Co.
- Light-emitting device8 Oct 2026US 2026/0311621 A1Semiconductor Energy Laboratory Co.Ltd.
- Rare earth sintered magnet, method for producing rare earth sintered magnet, rotor, and rotary machine8 Oct 2026US 2026/0311916 A1Mitsubishi Electric Corporation
- Magnetic steel containing high-abundance rare earth elements, preparation method therefor, and use thereof8 Oct 2026US 2026/0311917 A1FUJIAN GOLDEN DRAGON RARE-EARTH Co., Ltd.
Most cited
By later US patents
- Electronic device using magnetic components385US 5,695,864 AInternational Business Machines Corporation · 1997
- Combinatorial synthesis of novel materials365US 5,985,356 ASymyx Technologies, Inc. · 1999
- Systems and methods for the combinatorial synthesis of novel materials320US 6,045,671 ASymyx Technologies, Inc. · 2000
- Surveillance system having magnetomechanical marker303US 4,510,489 AAllied Corporation · 1985
- Ferromagnetic powder for dust core300US 7,498,080 B2Foxconn Technology Co., Ltd. · 2009