- All sections
- H - Electricity
- H01F - Magnetsinductancestransformersselection of materials for their magnetic properties
- H01F 1/03 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity
Patent holdings for IPC class H01F 1/03
Total number of patents in this class: 262
10-year publication summary
|
43
|
38
|
30
|
29
|
13
|
13
|
15
|
17
|
12
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TDK Corporation | 6960 |
17 |
| Murata Manufacturing Co., Ltd. | 25893 |
11 |
| Toyota Motor Corporation | 36092 |
9 |
| LG Innotek Co., Ltd. | 8543 |
8 |
| HiDeep Inc. | 356 |
7 |
| Samsung Electronics Co., Ltd. | 158842 |
5 |
| FUJIFILM Corporation | 30653 |
5 |
| Dowa Electronics Materials Co., Ltd. | 635 |
5 |
| Taiyo Yuden Co., Ltd. | 2046 |
5 |
| ETO Magnetic GmbH | 279 |
4 |
| Ferric Inc. | 55 |
4 |
| Viavi Solutions Inc. | 1529 |
4 |
| Proterial, Ltd. | 948 |
4 |
| Sony Corporation | 30080 |
3 |
| GM Global Technology Operations LLC | 16219 |
3 |
| Ford Global Technologies, LLC | 21600 |
3 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48760 |
3 |
| Regents of the University of Minnesota | 2801 |
3 |
| SKC Co., Ltd. | 326 |
3 |
| Noveon Magnetics Inc. | 38 |
3 |
| Other owners | 153 |