H01F 1/0555
Pressed, sintered or bonded together
Official title: {pressed, sintered or bonded together}
H01F1/0555 (Pressed, sintered or bonded together) appears on 303 US grants and 335 published applications in this corpus.
Search patents in H01F- Granted patents
- 303
- Published applications
- 335
- Assignees
- 161
- Inventors
- 757
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 4 | 0 |
| 1978 | 9 | 0 |
| 1979 | 6 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 2 |
| 2002 | 7 | 18 |
| 2003 | 13 | 9 |
| 2004 | 6 | 10 |
| 2005 | 11 | 11 |
| 2006 | 5 | 5 |
| 2007 | 6 | 4 |
| 2008 | 4 | 2 |
| 2009 | 0 | 7 |
| 2010 | 4 | 5 |
| 2011 | 0 | 11 |
| 2012 | 2 | 5 |
| 2013 | 7 | 13 |
| 2014 | 2 | 9 |
| 2015 | 8 | 23 |
| 2016 | 7 | 14 |
| 2017 | 10 | 28 |
| 2018 | 8 | 17 |
| 2019 | 17 | 21 |
| 2020 | 22 | 25 |
| 2021 | 20 | 16 |
| 2022 | 15 | 18 |
| 2023 | 13 | 18 |
| 2024 | 11 | 21 |
| 2025 | 11 | 13 |
| 2026 | 10 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Anisotropic rare earth sintered magnet and method for producing same7 Jul 2026US 12,676,253 B2Shin-Etsu Chemical Co., Ltd.
- Samarium cobalt and neodymium iron boride magnets and methods of manufacturing same28 Apr 2026US 12,614,663 B2Lawrence Livermore National Security, LLC
- Rare-earth cobalt permanent magnet, method of manufacturing the same, and device21 Apr 2026US 12,609,222 B2Kyushu Institute of Technology
- Bonded magnet and method of preparing the same21 Apr 2026US 12,609,223 B2Nichia Corporation
- Method of manufacturing Sm—Fe—N magnet, Sm—Fe—N magnet, and motor having Sm—Fe—N magnet14 Apr 2026US 12,603,203 B2IHI Corporation
- Rare earth bonded magnet17 Sep 2026US 2026/0279627 A1MINEBEA MITSUMI Inc.
- Near net shape fabrication of anisotropic magnet using hot roll method13 Aug 2026US 2026/0233306 A1Iowa State University Research Foundation, Inc.
- Extrusion compression molded critical rare earth free bonded permanent magnet6 Aug 2026US 2026/0229404 A1
- Manufacturing method for magnetic molded body and manufacturing method for anisotropic bond magnet23 Jul 2026US 2026/0208264 A1
- Composition for bonded magnet, bonded magnet, and integrally molded component16 Jul 2026US 2026/0204461 A1Mabuchi Motor Co., Ltd.
Most cited
By later US patents
- Samarium-cobalt magnet with grain growth inhibited SmCo.sub.5 crystals80US 4,075,042 ARaytheon Company · 1978
- Magnetic display device48US 6,436,520 B1Toda Kogyo Corporation · 2002
- Intravascular blood pump comprising corrosion resistant permanent magnet40US 11,107,626 B2Abiomed Europe GmbH · 2021
- Polymeric resin bonded magnets40US 6,872,325 B2General Electric Company · 2005
- Composite member and method for making the same37US 5,110,687 AKabushiki Kaisha Kobe Seiko Sho · 1992