- All sections
- H - Electricity
- H01F - Magnets; inductances; transformers; selection of materials for their magnetic properties
- H01F 1/28 - 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 in the form of particles, e.g. powder dispersed or suspended in a bonding agent
Patent holdings for IPC class H01F 1/28
Total number of patents in this class: 155
10-year publication summary
|
12
|
9
|
17
|
13
|
13
|
18
|
11
|
19
|
13
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nitto Denko Corporation | 7879 |
10 |
| FUJIFILM Corporation | 27102 |
8 |
| TDK Corporation | 6306 |
8 |
| Viavi Solutions Inc. | 1363 |
6 |
| 3m Innovative Properties Company | 18406 |
5 |
| Aichi Steel Corporation | 333 |
5 |
| Taiyo Yuden Co., Ltd. | 1809 |
5 |
| Tundra Composites, LLC | 78 |
5 |
| TOKIN Corporation | 199 |
4 |
| Siemens AG | 24990 |
3 |
| Murata Manufacturing Co., Ltd. | 22355 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
3 |
| Condalign AS | 24 |
3 |
| Somar Corporation | 101 |
3 |
| BASF SE | 19740 |
2 |
| Honda Motor Co., Ltd. | 24537 |
2 |
| International Business Machines Corporation | 60644 |
2 |
| Toshiba Corporation | 12017 |
2 |
| BASF Corporation | 2039 |
2 |
| Hitachi Metals, Ltd. | 2175 |
2 |
| Other owners | 72 |