- All sections
- H - Electricity
- H01F - Magnets; inductances; transformers; selection of materials for their magnetic properties
- H01F 1/16 - 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 sheets
Patent holdings for IPC class H01F 1/16
Total number of patents in this class: 576
10-year publication summary
|
72
|
39
|
34
|
21
|
20
|
10
|
22
|
25
|
15
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Steel Corporation | 6557 |
275 |
| Nippon Steel Corporation | 6012 |
93 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
33 |
| POSCO Co., Ltd. | 1302 |
14 |
| Hitachi Metals, Ltd. | 2021 |
12 |
| POSCO | 2204 |
11 |
| Hitachi, Ltd. | 15226 |
10 |
| Proterial, Ltd. | 765 |
7 |
| Baoshan Iron & Steel Co., Ltd. | 897 |
6 |
| Aperam | 114 |
4 |
| ArcelorMittal | 2064 |
4 |
| ThyssenKrupp Steel Europe AG | 956 |
4 |
| Siemens AG | 24565 |
3 |
| Nisshin Steel Co., Ltd. | 398 |
3 |
| TOKIN Corporation | 202 |
3 |
| Nissan Motor Co., Ltd. | 12352 |
2 |
| LG Innotek Co., Ltd. | 7242 |
2 |
| Amogreentech Co., Ltd. | 591 |
2 |
| Amosense Co., Ltd. | 473 |
2 |
| Emw Co., Ltd. | 128 |
2 |
| Other owners | 84 |