- All sections
- H - Electricity
- H01F - Magnetsinductancestransformersselection of materials for their magnetic properties
- H01F 1/40 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials of magnetic semiconductor materials, e.g. CdCr2S4
Patent holdings for IPC class H01F 1/40
Total number of patents in this class: 48
10-year publication summary
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0
|
5
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4
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5
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6
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1
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3
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0
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1
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TDK Corporation | 6821 |
9 |
| Samsung Electronics Co., Ltd. | 155224 |
3 |
| International Business Machines Corporation | 62325 |
2 |
| Headway Technologies, Inc. | 685 |
2 |
| Shin-Etsu Chemical Co., Ltd. | 5997 |
2 |
| Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V. | 1825 |
2 |
| National University Corporation Kanazawa University | 253 |
2 |
| Osaka University | 3289 |
2 |
| Taiyo Yuden Co., Ltd. | 2020 |
2 |
| The University of Liverpool | 309 |
2 |
| University of Pittsburgh - Of the Commonwealth System of Higher Education | 3274 |
2 |
| LG Electronics Inc. | 75274 |
1 |
| Samsung Electro-mechanics Co., Ltd. | 5944 |
1 |
| President and Fellows of Harvard College | 6060 |
1 |
| Nippon Telegraph and Telephone Corporation | 15935 |
1 |
| Lawrence Livermore National Security, LLC | 1961 |
1 |
| Micross Advanced Interconnect Technology LLC | 25 |
1 |
| National University Corporation Hokkaido University | 1354 |
1 |
| Powdertech Co., Ltd. | 138 |
1 |
| Rutgers, The State University of New Jersey | 1959 |
1 |
| Other owners | 9 |