H01F 1/33
Mixtures of metallic and non-metallic particles
Official title: mixtures of metallic and non-metallic particles; metallic particles having oxide skin
H01F1/33 (Mixtures of metallic and non-metallic particles) appears on 263 US grants and 392 published applications in this corpus.
Search patents in H01F- Granted patents
- 263
- Published applications
- 392
- Assignees
- 119
- Inventors
- 713
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 5 |
| 2003 | 8 | 10 |
| 2004 | 4 | 5 |
| 2005 | 3 | 7 |
| 2006 | 1 | 4 |
| 2007 | 3 | 9 |
| 2008 | 5 | 6 |
| 2009 | 4 | 7 |
| 2010 | 2 | 17 |
| 2011 | 5 | 11 |
| 2012 | 11 | 17 |
| 2013 | 11 | 18 |
| 2014 | 14 | 27 |
| 2015 | 7 | 16 |
| 2016 | 14 | 10 |
| 2017 | 10 | 8 |
| 2018 | 5 | 15 |
| 2019 | 12 | 30 |
| 2020 | 13 | 32 |
| 2021 | 18 | 29 |
| 2022 | 15 | 25 |
| 2023 | 32 | 30 |
| 2024 | 23 | 29 |
| 2025 | 18 | 13 |
| 2026 | 12 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- High frequency low loss magnetic core and method of manufacture4 Aug 2026US 12,700,529 B2Powdermet, Inc.
- Soft magnetic powder containing oxide insulation film, manufacturing method thereof, and powder core produced therefrom28 Jul 2026US 12,695,013 B2Korea Institute of Science and Technology
- Soft magnetic metal powder, dust core, magnetic component, and electronic component16 Jun 2026US 12,658,345 B2TDK Corporation
- Method for fabricating inductors and inductor1 Oct 2026US 2026/0302059 A1Anhui University
- Integrally formed inductor and its manufacturing method for the same13 Aug 2026US 2026/0237543 A1HONG DANG Technology Co., Ltd.
- Composite magnetic material, dust core, and power choke coil13 Aug 2026US 2026/0237545 A1Panasonic Intellectual Property Management Co., Ltd.
- Organic Film-Coated Soft Magnetic Powder, Method For Producing Organic Film-Coated Soft Magnetic Powder, Dust Core, Magnetic Element, And Electronic Device23 Jul 2026US 2026/0213052 A1Seiko Epson Corporation
- Organic Film-Coated Soft Magnetic Powder, Method For Producing Organic Film-Coated Soft Magnetic Powder, Dust Core, Magnetic Element, And Electronic Device23 Jul 2026US 2026/0213053 A1Seiko Epson Corporation
Most cited
By later US patents
- Biaxially textured articles formed by powder metallurgy30US 6,331,199 B1UT-Battelle, LLC · 2001
- Method to manufacture soft magnetic pressed bodies26US 4,320,080 ARobert Bosch GmbH · 1982
- Low core loss, well-bonded soft magnetic parts25US 5,982,073 AMaterials Innovation, Inc. · 1999
- Biaxially textured articles formed by power metallurgy24US 6,610,414 B2UT-Battelle, LLC · 2003
- Biaxially textured articles formed by powder metallurgy23US 6,599,346 B2UT-Battelle, LLC · 2003