H01F 1/06
In the form of particles
Official title: in the form of particles, e.g. powder (H01F1/047 takes precedence {; record carriers G11B5/70605})
H01F1/06 (In the form of particles) appears on 642 US grants and 697 published applications in this corpus.
Search patents in H01F- Granted patents
- 642
- Published applications
- 697
- Assignees
- 364
- Inventors
- 1,714
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 7 | 0 |
| 1978 | 8 | 0 |
| 1979 | 8 | 0 |
| 1980 | 8 | 0 |
| 1981 | 19 | 0 |
| 1982 | 18 | 0 |
| 1983 | 15 | 0 |
| 1984 | 15 | 0 |
| 1985 | 8 | 0 |
| 1986 | 11 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 10 | 0 |
| 1990 | 10 | 0 |
| 1991 | 10 | 0 |
| 1992 | 4 | 0 |
| 1993 | 9 | 0 |
| 1994 | 5 | 0 |
| 1995 | 6 | 0 |
| 1996 | 8 | 0 |
| 1997 | 6 | 0 |
| 1998 | 2 | 0 |
| 1999 | 7 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 3 |
| 2002 | 9 | 10 |
| 2003 | 7 | 11 |
| 2004 | 10 | 22 |
| 2005 | 9 | 20 |
| 2006 | 7 | 24 |
| 2007 | 9 | 19 |
| 2008 | 18 | 9 |
| 2009 | 8 | 16 |
| 2010 | 9 | 27 |
| 2011 | 8 | 25 |
| 2012 | 14 | 36 |
| 2013 | 20 | 29 |
| 2014 | 11 | 37 |
| 2015 | 26 | 39 |
| 2016 | 20 | 41 |
| 2017 | 29 | 37 |
| 2018 | 25 | 41 |
| 2019 | 23 | 31 |
| 2020 | 30 | 32 |
| 2021 | 28 | 26 |
| 2022 | 25 | 37 |
| 2023 | 22 | 26 |
| 2024 | 19 | 44 |
| 2025 | 20 | 35 |
| 2026 | 16 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Anisotropic iron nitride permanent magnets6 Oct 2026US 12,755,878 B2Niron Magnetics, Inc.
- Construction magnetic panel and method of manufacture22 Sep 2026US 12,744,144 B2Cuby Technologies Inc
- Composite member8 Sep 2026US 12,731,710 B2Panasonic Intellectual Property Management Co., Ltd.
- Thermally stable, cladded permanent magnets, and compositions and methods for making the same11 Aug 2026US 12,706,235 B2HRL Laboratories, LLC
- Inductor component and method of manufacturing same28 Jul 2026US 12,695,022 B2Murata Manufacturing Co., Ltd.
- Composite magnetic sheet1 Oct 2026US 2026/0304725 A1Tokin Corporation
- A magnetic device comprising magnetic particles10 Sep 2026US 2026/0269112 A1Bionaut Labs Ltd.
- Coil component27 Aug 2026US 2026/0253779 A1TDK Corporation
- Near net shape fabrication of anisotropic magnet using hot roll method13 Aug 2026US 2026/0233306 A1Iowa State University Research Foundation, Inc.
- Iron nitride magnetic material including coated nanoparticles6 Aug 2026US 2026/0229392 A1Regents of the University of Minnesota
Most cited
By later US patents
- Magnetic particle and method of preparing the same, and magnetic recording medium108US 8,524,108 B2FUJIFILM Corporation · 2013
- Method and apparatus for producing hollow metal microspheres and microspheroids96US 4,415,512 A1983
- Production of monodisperse, polymeric microspheres86US 4,929,400 ACalifornia Institute of Technology · 1990
- Powder having multilayered film on its surface and process for preparing the same73US 5,985,466 ANittetsu Mining Co., Ltd. · 1999
- Magnetically-responsive microspheres62US 6,773,812 B2Luminex Corporation · 2004