- All sections
- H - Electricity
- H01F - Magnetsinductancestransformersselection of materials for their magnetic properties
- H01F 1/04 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
Patent holdings for IPC class H01F 1/04
Total number of patents in this class: 81
10-year publication summary
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2
|
5
|
4
|
3
|
4
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6
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6
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4
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3
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Regents of the University of Minnesota | 2765 |
6 |
| International Business Machines Corporation | 62220 |
4 |
| Nippon Steel Corporation | 6692 |
4 |
| The Regents of the University of California | 20534 |
3 |
| JFE Steel Corporation | 7349 |
3 |
| Apple Inc. | 58074 |
2 |
| 3m Innovative Properties Company | 17512 |
2 |
| Applied Materials, Inc. | 20036 |
2 |
| Shin-Etsu Chemical Co., Ltd. | 5948 |
2 |
| University of Utah Research Foundation | 1853 |
2 |
| Horizon Technology | 7 |
2 |
| General Electric Company | 13831 |
1 |
| LG Electronics Inc. | 74968 |
1 |
| Sony Corporation | 30397 |
1 |
| Toyota Motor Corporation | 34633 |
1 |
| Centre National de La Recherche Scientifique | 10865 |
1 |
| Sumitomo Electric Industries, Ltd. | 16091 |
1 |
| BASF Corporation | 1685 |
1 |
| Intel Corporation | 46680 |
1 |
| Hitachi Metals, Ltd. | 1921 |
1 |
| Other owners | 40 |