B22F 2301/355
Rare earth - fe intermetallic alloys
Official title: Rare Earth - Fe intermetallic alloys
B22F2301/355 (Rare earth - fe intermetallic alloys) appears on 129 US grants and 276 published applications in this corpus.
Search patents in B22F- Granted patents
- 129
- Published applications
- 276
- Assignees
- 121
- Inventors
- 598
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2012 | 0 | 3 |
| 2013 | 0 | 1 |
| 2014 | 0 | 2 |
| 2015 | 0 | 2 |
| 2016 | 1 | 14 |
| 2017 | 4 | 20 |
| 2018 | 3 | 17 |
| 2019 | 7 | 27 |
| 2020 | 16 | 16 |
| 2021 | 16 | 23 |
| 2022 | 13 | 22 |
| 2023 | 17 | 37 |
| 2024 | 22 | 48 |
| 2025 | 15 | 23 |
| 2026 | 15 | 21 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- 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
- Rare-earth iron-based ring magnet and method for manufacturing same1 Sep 2026US 12,725,732 B2MINEBEA MITSUMI Inc.
- Bulk metallic glass-based alloys for additive manufacturing18 Aug 2026US 12,709,789 B2Questek Europe AB
- Powder metal material for additive manufacturing and method for producing non-magnetic steel21 Jul 2026US 12,686,049 B2Honda Motor Co., Ltd.
- Anisotropic rare earth sintered magnet and method for producing same7 Jul 2026US 12,676,253 B2Shin-Etsu Chemical Co., Ltd.
- Additive manufacturing polymers with high metal inclusion content8 Oct 2026US 2026/0308813 A1The Research Foundation for The State University of New York
- Rare earth sintered magnet, method for producing rare earth sintered magnet, rotor, and rotary machine8 Oct 2026US 2026/0311916 A1Mitsubishi Electric Corporation
- Rare earth sintered magnet, method for producing rare earth sintered magnet, rotor, and rotary machine1 Oct 2026US 2026/0302010 A1Mitsubishi Electric Corporation
- 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.
Most cited
By later US patents
- Catalytic converter substrates comprising triply periodic minimal surfaces12US 11,286,831 B2Khalifa University of Science and Technology · 2022
- Magnet having regions of different magnetic properties and method for forming such a magnet8US 10,269,479 B2ABB Schweiz AG · 2019
- Magnetic core and coil component3US 11,183,320 B2TDK Corporation · 2021
- Caster assembly2US 10,926,333 B2Urban Mining Technology Company · 2021
- Bulk nanocomposite magnets and methods of making bulk nanocomposite magnets2US 9,242,295 B2The Univeristy of Texas At Arlington · 2016