- All sections
- H - Electricity
- H01F - Magnets; inductances; transformers; selection of materials for their magnetic properties
- H01F 1/14 - Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection 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: 162
10-year publication summary
|
7
|
15
|
12
|
7
|
20
|
12
|
13
|
11
|
23
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Metals, Ltd. | 2175 |
13 |
| Murata Manufacturing Co., Ltd. | 22355 |
13 |
| TDK Corporation | 6306 |
8 |
| Samsung Electro-mechanics Co., Ltd. | 4798 |
6 |
| Nippon Steel Corporation | 5649 |
6 |
| JFE Steel Corporation | 6067 |
5 |
| Taiyo Yuden Co., Ltd. | 1809 |
5 |
| Ford Global Technologies, LLC | 19702 |
3 |
| Alps Electric Co., Ltd. | 851 |
3 |
| Aperam | 104 |
3 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
3 |
| Tohoku Magnet Institute Co., Ltd. | 28 |
3 |
| NERA Innovations Limited | 150 |
3 |
| Siemens AG | 24990 |
2 |
| Hitachi Chemical Company, Ltd. | 2455 |
2 |
| Texas Instruments Incorporated | 19376 |
2 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
2 |
| Cyntec Co., Ltd. | 232 |
2 |
| Omron Corporation | 6968 |
2 |
| Amogreentech Co., Ltd. | 566 |
2 |
| Other owners | 74 |