Patent holdings for IPC class H01F 1/16

Total number of patents in this class: 587

10-year publication summary

65
36
32
19
18
10
21
25
15
21
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
JFE Steel Corporation
6935
280
Nippon Steel Corporation
6344
96
Nippon Steel & Sumitomo Metal Corporation
1987
33
POSCO Co., Ltd.
1572
14
Hitachi Metals, Ltd.
1973
12
POSCO
2181
11
Hitachi, Ltd.
15572
10
ArcelorMittal
2324
9
Proterial, Ltd.
866
7
Baoshan Iron & Steel Co., Ltd.
966
6
Aperam
126
4
ThyssenKrupp Steel Europe AG
958
4
Siemens AG
24386
3
Nisshin Steel Co., Ltd.
394
3
SANYO Special Steel Co., Ltd.
226
3
TOKIN Corporation
210
3
Nissan Motor Co., Ltd.
12550
2
LG Innotek Co., Ltd.
7738
2
Amogreentech Co., Ltd.
617
2
Amosense Co., Ltd.
487
2
Other owners 81