- All sections
- H - Electricity
- H01F - Magnets; inductances; transformers; selection of materials for their magnetic properties
- H01F 1/18 - 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 with insulating coating
Patent holdings for IPC class H01F 1/18
Total number of patents in this class: 245
10-year publication summary
20
|
24
|
10
|
20
|
21
|
13
|
21
|
14
|
14
|
4
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
JFE Steel Corporation | 6067 |
78 |
Nippon Steel Corporation | 5649 |
57 |
Nippon Steel & Sumitomo Metal Corporation | 1990 |
18 |
POSCO Co., Ltd. | 1059 |
9 |
Voestalpine Stahl GmbH | 311 |
8 |
Baoshan Iron & Steel Co., Ltd. | 832 |
7 |
Vacuumschmelze GmbH & Co. KG | 253 |
5 |
Hitachi Metals, Ltd. | 2175 |
4 |
Henkel AG & Co. KGaA | 10129 |
4 |
Aperam | 104 |
4 |
ThyssenKrupp Electrical Steel GmbH | 25 |
3 |
General Electric Company | 18133 |
2 |
Siemens AG | 24990 |
2 |
Honeywell International Inc. | 13799 |
2 |
Panasonic Corporation | 20786 |
2 |
LG Innotek Co., Ltd. | 6758 |
2 |
Axalta Coating Systems IP Co., LLC | 454 |
2 |
Centro Sviluppo Materiali S.p.A. | 31 |
2 |
Dai Nippon Toryo Co., Ltd. | 83 |
2 |
ELANTAS PDG, Inc. | 56 |
2 |
Other owners | 30 |