← All themesAdvanced Magnetic Powder Materials
Development and processing of metal powders with specific magnetic properties, including soft magnetic alloys, permanent magnet materials, and insulated powders for electronic components, often involving precise control of particle size, morphology, and composition.
4,550 US filings from 1,188 companies since 2023 · 2023: 1,447 · 2024: 1,398 · 2025: 1,153 · 2026 YTD: 552
Powder MetallurgyAlloysMagnets & InductorsElectric Motors & Generators
Top companies
Ranked by filings in this theme since 2023. 2026 is partial.
| # | Company | Since 2023 | 2023 | 2024 | 2025 | 2026 YTD | YoY |
|---|
| 1 | NIPPON STEEL CORPORATION | 219 | 49 | 71 | 65 | 34 | -8.5% |
| 2 | JFE Steel Corporation | 194 | 46 | 66 | 53 | 29 | -19.7% |
| 3 | TDK CORPORATION | 194 | 89 | 48 | 37 | 20 | -22.9% |
| 4 | Murata Manufacturing Co., Ltd. | 134 | 45 | 46 | 31 | 12 | -32.6% |
| 5 | POSCO CO., LTD | 98 | 18 | 30 | 35 | 15 | +16.7% |
| 6 | Seiko Epson Corporation | 91 | 23 | 37 | 21 | 10 | -43.2% |
| 7 | KABUSHIKI KAISHA TOSHIBA | 81 | 32 | 30 | 15 | 4 | -50.0% |
| 8 | PROTERIAL, LTD. | 80 | 22 | 21 | 25 | 12 | +19.0% |
| 9 | FUJIFILM CORPORATION | 78 | 41 | 15 | 18 | 4 | +20.0% |
| 10 | Western Digital Technologies, Inc. | 76 | 18 | 27 | 19 | 12 | -29.6% |
| 11 | TAIYO YUDEN CO., LTD. | 73 | 27 | 23 | 18 | 5 | -21.7% |
| 12 | NICHIA CORPORATION | 62 | 21 | 20 | 16 | 5 | -20.0% |
| 13 | Toshiba Electronic Devices & Storage Corporation | 50 | 19 | 19 | 11 | 1 | -42.1% |
| 14 | TOYOTA JIDOSHA KABUSHIKI KAISHA | 49 | 14 | 18 | 13 | 4 | -27.8% |
| 15 | DOWA ELECTRONICS MATERIALS CO., LTD. | 45 | 13 | 14 | 14 | 4 | 0.0% |
| 16 | Delta Electronics (Shanghai) Co., Ltd. | 39 | 8 | 11 | 13 | 7 | +18.2% |
| 17 | ArcelorMittal | 37 | 5 | 7 | 15 | 10 | +114.3% |
| 18 | POSCO | 37 | 25 | · | 8 | 4 | — |
| 19 | TOKIN CORPORATION | 37 | 9 | 17 | 6 | 5 | -64.7% |
| 20 | Samsung Electro-Mechanics Co., Ltd. | 34 | 16 | 7 | 5 | 6 | -28.6% |
| 21 | Daido Steel Co., Ltd. | 34 | 13 | 8 | 8 | 5 | 0.0% |
| 22 | Ford Global Technologies, LLC | 28 | 8 | 10 | 7 | 3 | -30.0% |
| 23 | SONY GROUP CORPORATION | 28 | 12 | 6 | 6 | 4 | 0.0% |
| 24 | Headway Technologies, Inc. | 26 | 2 | 9 | 9 | 6 | 0.0% |
| 25 | HOYA CORPORATION | 26 | 10 | 8 | 5 | 3 | -37.5% |