Patent holdings for IPC class C25D 3/22

Total number of patents in this class: 388

10-year publication summary

41
51
46
38
22
22
29
31
24
20
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
ArcelorMittal
2695
33
JFE Steel Corporation
7574
26
Nippon Steel Corporation
6919
22
POSCO Co., Ltd.
2018
21
POSCO
2140
15
Atotech Deutschland GmbH
522
14
ThyssenKrupp Steel Europe AG
993
14
Yuken Industry Co., Ltd.
63
9
Fabric8Labs, Inc.
77
7
BASF SE
21310
6
International Business Machines Corporation
62742
6
Chang Chun Petrochemical Co., Ltd.
121
6
DIPSOL Chemicals Co., Ltd.
60
6
NV Bekaert SA
724
5
SMS Group GmbH
1204
5
United States Steel Corporation
175
5
Illinois Tool Works Inc.
11862
4
Baoshan Iron & Steel Co., Ltd.
1108
4
Mitsubishi Materials Corporation
2476
4
The Royal Mint Limited
17
4
Other owners 172