- 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: 273
10-year publication summary
|
21
|
20
|
15
|
22
|
20
|
28
|
24
|
25
|
27
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nichia Corporation | 3836 |
52 |
| National Institute of Advanced Industrial Science and Technology | 3793 |
27 |
| TDK Corporation | 6813 |
21 |
| Toshiba Corporation | 12695 |
18 |
| Murata Manufacturing Co., Ltd. | 25552 |
18 |
| Toyota Motor Corporation | 34698 |
16 |
| Grirem Advanced Materials Co., Ltd. | 138 |
11 |
| Shin-Etsu Chemical Co., Ltd. | 5952 |
5 |
| Iowa State University Research Foundation, Inc. | 814 |
5 |
| Regents of the University of Minnesota | 2768 |
5 |
| Sumitomo Electric Industries, Ltd. | 16113 |
4 |
| Daido Steel Co., Ltd. | 280 |
4 |
| Dowa Holdings Co., Ltd. | 84 |
4 |
| Sumitomo Metal Mining Co., Ltd. | 1935 |
4 |
| Showa Denko Materials Co., Ltd. | 624 |
4 |
| Resonac Corporation | 3230 |
4 |
| GM Global Technology Operations LLC | 15848 |
3 |
| Ford Global Technologies, LLC | 21296 |
3 |
| Tohoku University | 2911 |
3 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6207 |
3 |
| Other owners | 59 |