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