B22F 2301/45
Rare earth metals, i.e. sc, y, lanthanides
Official title: Rare earth metals, i.e. Sc, Y, Lanthanides (57-71)
B22F2301/45 (Rare earth metals, i.e. sc, y, lanthanides) appears on 61 US grants and 87 published applications in this corpus.
Search patents in B22F- Granted patents
- 61
- Published applications
- 87
- Assignees
- 52
- Inventors
- 207
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 2 | 12 |
| 2017 | 3 | 6 |
| 2018 | 3 | 10 |
| 2019 | 9 | 10 |
| 2020 | 5 | 13 |
| 2021 | 4 | 4 |
| 2022 | 10 | 10 |
| 2023 | 10 | 6 |
| 2024 | 6 | 5 |
| 2025 | 8 | 3 |
| 2026 | 1 | 5 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Rare-earth cobalt permanent magnet, method of manufacturing the same, and device21 Apr 2026US 12,609,222 B2Kyushu Institute of Technology
- Method of producing phosphate-coated SmFeN-based anisotropic magnetic powder and phosphate-coated SmFeN-based anisotropic magnetic powder4 Nov 2025US 12,462,958 B2Nichia Corporation
- Method for manufacturing rare earth sintered magnet7 Oct 2025US 12,437,917 B2Shin-Etsu Chemical Co., Ltd.
- Additive manufacturing of ND—FE—B magnets with insulating layers4 Mar 2025US 12,243,683 B2Ford Global Technologies, LLC
- Methods of forming metal nanomaterials18 Feb 2025US 12,226,835 B2Battelle Energy Alliance, LLC
- Magnetic granular material, manufacturing method of the same, and manufacturing method of rare earth magnet1 Oct 2026US 2026/0302012 A1Honda Motor Co., Ltd.
- Laser additive manufacturing titanium-steel multi-material component having improved interface bonding and formability by suppressing element diffusion through intermediate layer, apparatus and method thereof26 Mar 2026US 2026/0084214 A1Nanjing University of Aeronautics and Astronautics
- Method of producing phosphate-coated smfen-based anisotropic magnetic powder and phosphate-coated smfen-based anisotropic magnetic powder5 Feb 2026US 2026/0038717 A1Nichia Corporation
- Rare earth magnet and method for manufacturing the same29 Jan 2026US 2026/0028704 A1Toyota Jidosha Kabushiki Kaisha
- Sintered body8 Jan 2026US 2026/0008101 A1Tosoh Corporation
Most cited
By later US patents
- Rare-earth permanent magnet and method for manufacturing rare-earth permanent magnet5US 9,281,107 B2Nitto Denko Corporation · 2016
- Rare-earth permanent magnet and method for manufacturing rare-earth permanent magnet4US 9,991,033 B2Nitto Denko Corporation · 2018
- Rare-earth permanent magnet and method for manufacturing rare-earth permanent magnet4US 9,991,034 B2Nitto Denko Corporation · 2018
- Coated articles and method for making3US 10,017,844 B2General Electric Company · 2018
- Bulk nanocomposite magnets and methods of making bulk nanocomposite magnets2US 9,242,295 B2The Univeristy of Texas At Arlington · 2016