- All sections
- H - Electricity
- H01F - Magnetsinductancestransformersselection of materials for their magnetic properties
- H01F 1/14 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
Patent holdings for IPC class H01F 1/14
Total number of patents in this class: 175
10-year publication summary
|
12
|
7
|
20
|
12
|
13
|
12
|
24
|
9
|
9
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 25722 |
16 |
| Hitachi Metals, Ltd. | 1900 |
9 |
| TDK Corporation | 6855 |
9 |
| JFE Steel Corporation | 7508 |
7 |
| Nippon Steel Corporation | 6843 |
7 |
| Samsung Electro-mechanics Co., Ltd. | 6073 |
6 |
| Taiyo Yuden Co., Ltd. | 2030 |
5 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2831 |
4 |
| Ford Global Technologies, LLC | 21478 |
3 |
| Alps Electric Co., Ltd. | 758 |
3 |
| Aperam | 137 |
3 |
| Tohoku Magnet Institute Co., Ltd. | 23 |
3 |
| Tohoku University | 2970 |
3 |
| NERA Innovations Limited | 135 |
3 |
| Siemens AG | 24033 |
2 |
| Seiko Epson Corporation | 20248 |
2 |
| Hitachi, Ltd. | 16071 |
2 |
| Hitachi Chemical Company, Ltd. | 2245 |
2 |
| Texas Instruments Incorporated | 19663 |
2 |
| Cyntec Co., Ltd. | 277 |
2 |
| Other owners | 82 |