H01F 1/0576
Pressed
Official title: {pressed, e.g. hot working}
H01F1/0576 (Pressed) appears on 185 US grants and 144 published applications in this corpus.
Search patents in H01F- Granted patents
- 185
- Published applications
- 144
- Assignees
- 95
- Inventors
- 464
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 9 | 0 |
| 1990 | 13 | 0 |
| 1991 | 12 | 0 |
| 1992 | 13 | 0 |
| 1993 | 8 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 0 |
| 2002 | 5 | 7 |
| 2003 | 4 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 2 |
| 2009 | 1 | 4 |
| 2010 | 0 | 5 |
| 2011 | 3 | 1 |
| 2012 | 3 | 7 |
| 2013 | 1 | 5 |
| 2014 | 1 | 2 |
| 2015 | 5 | 10 |
| 2016 | 5 | 12 |
| 2017 | 4 | 6 |
| 2018 | 6 | 9 |
| 2019 | 10 | 9 |
| 2020 | 4 | 5 |
| 2021 | 10 | 14 |
| 2022 | 4 | 10 |
| 2023 | 8 | 11 |
| 2024 | 8 | 5 |
| 2025 | 4 | 8 |
| 2026 | 8 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Rare-earth cobalt permanent magnet, manufacturing method therefor, and device21 Jul 2026US 12,688,958 B2Tokin Corporation
- Method for preparing Nd—Fe—B-diffused permanent magnets based on pressure gradients30 Jun 2026US 12,671,029 B1China Jiliang University
- Production method for rare-earth sintered magnet, and wet-molding device19 May 2026US 12,633,451 B2Proterial, Ltd.
- Rare earth magnet and method for producing thereof12 May 2026US 12,626,843 B2Toyota Jidosha Kabushiki Kaisha
- Samarium cobalt and neodymium iron boride magnets and methods of manufacturing same28 Apr 2026US 12,614,663 B2Lawrence Livermore National Security, LLC
- Magnetic granular material, manufacturing method of the same, and manufacturing method of rare earth magnet1 Oct 2026US 2026/0302012 A1Honda Motor Co., Ltd.
- Rare earth magnet and manufacturing method of the same1 Oct 2026US 2026/0302060 A1Honda Motor Co., Ltd.
- Near net shape fabrication of anisotropic magnet using hot roll method13 Aug 2026US 2026/0233306 A1Iowa State University Research Foundation, Inc.
- Neodymium iron boron ring magnet forming apparatuses, neodymium iron boron ring magnets and methods of preparing neodymium iron boron ring magnets21 May 2026US 2026/0142077 A1Baotou Research Institute of Rare Earths
- High-coercivity and high-remanence ndfeb magnet and preparation method14 May 2026US 2026/0135023 A1Beijing Zhong Ke San Huan Hi-Tech Co., Ltd.
Most cited
By later US patents
- Method for making rare-earth element containing permanent magnets68US 4,585,473 ACrucible Materials Corporation · 1986
- Method for manufacturing permanent magnets66US 4,801,340 ANamiki Precision Jewel Co., Ltd. · 1989
- Iron-rare earth-boron permanent49US 4,792,367 AGeneral Motors Corporation · 1988
- Atomization methods for forming magnet powders45US 6,022,424 ALockheed Martin Idaho Technologies Company · 2000
- Method of making permanent magnets37US 5,242,508 AIowa State University Research Foundation, Inc. · 1993