- All sections
- H - Electricity
- H01F - Magnetsinductancestransformersselection of materials for their magnetic properties
- H01F 1/059 - Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and Va elements, e.g. Sm2Fe17N2
Patent holdings for IPC class H01F 1/059
Total number of patents in this class: 229
10-year publication summary
|
9
|
21
|
20
|
15
|
22
|
20
|
27
|
24
|
25
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nichia Corporation | 3564 |
47 |
| National Institute of Advanced Industrial Science and Technology | 3760 |
20 |
| Toshiba Corporation | 12089 |
18 |
| TDK Corporation | 6568 |
18 |
| Toyota Motor Corporation | 30525 |
14 |
| Murata Manufacturing Co., Ltd. | 23844 |
11 |
| Grirem Advanced Materials Co., Ltd. | 127 |
11 |
| Regents of the University of Minnesota | 2685 |
5 |
| Sumitomo Electric Industries, Ltd. | 15046 |
4 |
| Shin-Etsu Chemical Co., Ltd. | 5479 |
4 |
| Showa Denko Materials Co., Ltd. | 624 |
4 |
| Resonac Corporation | 2476 |
4 |
| GM Global Technology Operations LLC | 14361 |
3 |
| Ford Global Technologies, LLC | 20143 |
3 |
| Iowa State University Research Foundation, Inc. | 749 |
3 |
| Sumitomo Metal Mining Co., Ltd. | 1737 |
3 |
| Tohoku University | 2700 |
3 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6259 |
3 |
| Grirem Hi-Tech Co., Ltd. | 34 |
3 |
| Hitachi Chemical Company, Ltd. | 2382 |
2 |
| Other owners | 46 |