- All sections
- H - Electricity
- H01F - Magnets; inductances; transformers; selection 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: 201
10-year publication summary
|
9
|
9
|
21
|
20
|
15
|
21
|
19
|
26
|
23
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nichia Corporation | 3394 |
39 |
| TDK Corporation | 6306 |
20 |
| National Institute of Advanced Industrial Science and Technology | 3677 |
19 |
| Toshiba Corporation | 12017 |
18 |
| Toyota Motor Corporation | 28582 |
11 |
| Grirem Advanced Materials Co., Ltd. | 114 |
9 |
| Murata Manufacturing Co., Ltd. | 22355 |
8 |
| Regents of the University of Minnesota | 2620 |
5 |
| Sumitomo Electric Industries, Ltd. | 14131 |
4 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
4 |
| Showa Denko Materials Co., Ltd. | 629 |
4 |
| GM Global Technology Operations LLC | 13620 |
3 |
| Iowa State University Research Foundation, Inc. | 685 |
3 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
3 |
| Hitachi Chemical Company, Ltd. | 2455 |
2 |
| Robert Bosch GmbH | 40953 |
2 |
| Ford Global Technologies, LLC | 19702 |
2 |
| Aichi Steel Corporation | 333 |
2 |
| Daido Steel Co., Ltd. | 237 |
2 |
| General Research Institute for Nonferrous Metals | 25 |
2 |
| Other owners | 39 |