- 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: 562
10-year publication summary
|
73
|
72
|
39
|
34
|
21
|
20
|
10
|
21
|
24
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Steel Corporation | 6067 |
275 |
| Nippon Steel Corporation | 5649 |
94 |
| Nippon Steel & Sumitomo Metal Corporation | 1990 |
34 |
| POSCO Co., Ltd. | 1059 |
14 |
| Hitachi Metals, Ltd. | 2175 |
12 |
| POSCO | 2222 |
11 |
| Hitachi, Ltd. | 16452 |
8 |
| Baoshan Iron & Steel Co., Ltd. | 832 |
6 |
| Proterial, Ltd. | 638 |
6 |
| Aperam | 104 |
4 |
| ArcelorMittal | 1887 |
4 |
| Nisshin Steel Co., Ltd. | 401 |
3 |
| ThyssenKrupp Steel Europe AG | 924 |
3 |
| TOKIN Corporation | 199 |
3 |
| Siemens AG | 24990 |
2 |
| Nissan Motor Co., Ltd. | 12249 |
2 |
| LG Innotek Co., Ltd. | 6758 |
2 |
| Amogreentech Co., Ltd. | 566 |
2 |
| Emw Co., Ltd. | 128 |
2 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
2 |
| Other owners | 73 |