H01F 1/15325
Containing rare earths
Official title: {containing rare earths}
H01F1/15325 (Containing rare earths) appears on 30 US grants and 37 published applications in this corpus.
Search patents in H01F- Granted patents
- 30
- Published applications
- 37
- Assignees
- 28
- Inventors
- 85
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 3 |
| 2011 | 1 | 0 |
| 2012 | 2 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 6 |
| 2019 | 0 | 8 |
| 2020 | 1 | 5 |
| 2021 | 2 | 5 |
| 2022 | 5 | 1 |
| 2023 | 2 | 1 |
| 2024 | 4 | 3 |
| 2025 | 2 | 1 |
| 2026 | 4 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Soft magnetic alloy powder, magnetic core, magnetic component and electronic device5 May 2026US 12,618,125 B2TDK Corporation
- Soft magnetic powder and magnetic core5 May 2026US 12,620,512 B2TDK Corporation
- Magnetic stimulation coils and ferromagnetic components for treatment and diagnostic procedures14 Apr 2026US 12,599,776 B2Neuronetics, Inc.
- Method for manufacturing anisotropic rare earth bulk magnet, and anisotropic rare earth bulk magnet manufactured thereby24 Mar 2026US 12,586,700 B2Korea Institute of Materials Science
- Soft magnetic alloy powder, dust core, magnetic component, and electronic device2 Sep 2025US 12,406,787 B2TDK Corporation
- Feedstock and heterogeneous structures for tough rare earth permanent magnets and production process therefor20 Mar 2025US 2025/0095914 A1
- Rare earth ion-doped soft magnetic alloy, soft magnetic composite material and preparation method thereof25 Jul 2024US 2024/0249864 A1Hengdian Group Dmegc Magnetics Co., Ltd
- Soft magnetic powder and magnetic core30 May 2024US 2024/0177898 A1TDK Corporation
- Grain boundary diffusion for high coercivity magnets for loudspeakers8 Feb 2024US 2024/0048911 A1
- Method for manufacturing anisotropic rare earth bulk magnet, and anisotropic rare earth bulk magnet manufactured thereby7 Sep 2023US 2023/0282399 A1Korea Institute of Materials Science
Most cited
By later US patents
- Amorphous transition metal-lanthanide alloys25US 4,409,043 AThe United States of America as represented by the Secretary of the Navy · 1983
- Magnetical working amorphous substance8US 5,060,478 AResearch Development Corporation of Japan · 1991
- Soft magnetic alloy, magnetic part using soft magnetic alloy, and method of manufacturing same8US 8,287,665 B2NEC Tokin Corporation · 2012
- Soft magnetic thin strip, process for production of the same, magnetic parts, and amorphous thin strip7US 8,007,600 B2Hitachi Metals, Ltd. · 2011
- Magnetic refrigerant and process for producing the same6US 5,362,339 AHonda Giken Kogyo Kabushiki Kaisha · 1994