H01F 1/059
And va elements
Official title: and Va elements, e.g. Sm2Fe17N2
H01F1/059 (And va elements) appears on 231 US grants and 289 published applications in this corpus.
Search patents in H01F- Granted patents
- 231
- Published applications
- 289
- Assignees
- 113
- Inventors
- 560
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 8 | 0 |
| 1996 | 8 | 0 |
| 1997 | 6 | 0 |
| 1998 | 7 | 0 |
| 1999 | 7 | 0 |
| 2000 | 3 | 0 |
| 2001 | 8 | 2 |
| 2002 | 12 | 12 |
| 2003 | 8 | 4 |
| 2004 | 4 | 7 |
| 2005 | 5 | 7 |
| 2006 | 1 | 6 |
| 2007 | 5 | 4 |
| 2008 | 7 | 6 |
| 2009 | 3 | 7 |
| 2010 | 4 | 6 |
| 2011 | 6 | 5 |
| 2012 | 3 | 8 |
| 2013 | 1 | 10 |
| 2014 | 1 | 7 |
| 2015 | 2 | 11 |
| 2016 | 4 | 12 |
| 2017 | 8 | 25 |
| 2018 | 3 | 14 |
| 2019 | 8 | 14 |
| 2020 | 9 | 17 |
| 2021 | 13 | 13 |
| 2022 | 13 | 21 |
| 2023 | 12 | 19 |
| 2024 | 16 | 23 |
| 2025 | 15 | 16 |
| 2026 | 7 | 13 |
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 same8 Sep 2026US 12,731,709 B2Shin-Etsu Chemical Co., Ltd.
- Samarium-iron-nitrogen based magnet powder and samarium-iron-nitrogen based magnet1 Sep 2026US 12,725,721 B2National Institute of Advanced Industrial Science and Technology
- Non-exchanged-couple injection moldable hybrid magnet2 Jun 2026US 12,646,979 B2ABB Schweiz AG
- 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.
- 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.
- Sm-fe-n magnet9 Jul 2026US 2026/0196393 A1Murata Manufacturing Co., Ltd.
Most cited
By later US patents
- Alloy ingot for permanent magnet, anisotropic powders for permanent magnet, method for producing same and permanent magnet59US 5,383,978 ASantoku Metal Industry Co., Ltd. · 1995
- Rare earth permanent magnet and method for making same56US 6,302,939 B1Magnequench International, Inc. · 2001
- Magnetic display device48US 6,436,520 B1Toda Kogyo Corporation · 2002
- Rare earth element permanent magnet material29US 7,175,718 B2Mitsubishi Denki Kabushiki Kaisha · 2007
- Magnet and bonded magnet25US 5,750,044 ATDK Corporation · 1998