H01F 1/09
Mixtures of metallic and non-metallic particles
Official title: mixtures of metallic and non-metallic particles; metallic particles having oxide skin
H01F1/09 (Mixtures of metallic and non-metallic particles) appears on 44 US grants and 49 published applications in this corpus.
Search patents in H01F- Granted patents
- 44
- Published applications
- 49
- Assignees
- 40
- Inventors
- 148
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 2 |
| 2003 | 3 | 1 |
| 2004 | 1 | 3 |
| 2005 | 0 | 2 |
| 2006 | 2 | 0 |
| 2007 | 1 | 5 |
| 2008 | 2 | 2 |
| 2009 | 1 | 4 |
| 2010 | 2 | 3 |
| 2011 | 0 | 4 |
| 2012 | 0 | 2 |
| 2013 | 3 | 0 |
| 2014 | 0 | 3 |
| 2015 | 2 | 3 |
| 2016 | 3 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 4 |
| 2019 | 2 | 0 |
| 2020 | 2 | 2 |
| 2021 | 1 | 2 |
| 2022 | 1 | 0 |
| 2023 | 2 | 5 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Thermally stable, cladded permanent magnets, and compositions and methods for making the same11 Aug 2026US 12,706,235 B2HRL Laboratories, LLC
- Ceramic coated iron particles and methods for making ceramic coated particles22 Apr 2025US 12,281,406 B2The Boeing Company
- Light-colored magnetic particles having improved durability and chemical resistance4 Jul 2023US 11,694,827 B2Korea Minting, Security Printing & ID Card Operating Corp.
- Ceramic coated iron particles and methods for making ceramic coated particles28 Mar 2023US 11,613,624 B2The Boeing Company
- Magnetic powder, method for production thereof, and magnetic recording medium7 Jun 2022US 11,355,270 B2Sony Corporation
- Metal magnetic powder, composite magnetic body, and electronic component26 Oct 2023US 2023/0339018 A1TDK Corporation
- Thermally stable, cladded permanent magnets, and compositions and methods for making the same7 Sep 2023US 2023/0282397 A1HRL Laboratories, LLC
- Thermally stable, cladded permanent magnets, and compositions and methods for making the same7 Sep 2023US 2023/0282398 A1HRL Laboratories, LLC
- Magnetic Beads, Magnetic Beads Dispersion Liquid, Method Of Manufacturing Magnetic Beads, And Method Of Manufacturing Magnetic Beads Dispersion Liquid17 Aug 2023US 2023/0260683 A1Seiko Epson Corporation
- Ceramic coated iron particles and methods for making ceramic coated particles27 Jul 2023US 2023/0235473 A1The Boeing Company
Most cited
By later US patents
- Method of preparing micro-structured powder for bonded magnets having high coercivity and magnet powder prepared by the same54US 7,163,591 B2Jahwa Electronics Co., Ltd. · 2007
- Magnetic powder, permanent magnet produced therefrom and process for producing them22US 6,139,765 ASeiko Epson Corporation · 2000
- Magnetic powder, permanent magnet produced therefrom and process for producing them15US 5,647,886 ASeiko Epson Corporation · 1997
- Production of ceramic powders for ferrite, spinel, titanate and garnet production13US 4,175,117 AThe International Nickel Company, Inc. · 1979
- Coated magnetic powder and a bonded permanent magnet composition containing the same12US 4,983,231 ADaihachi Chemical Industry Co., Ltd. · 1991