Patent holdings for IPC class C25D 3/22

Total number of patents in this class: 387

10-year publication summary

41
51
46
38
22
22
29
31
24
19
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
ArcelorMittal
2680
33
JFE Steel Corporation
7549
25
Nippon Steel Corporation
6895
22
POSCO Co., Ltd.
2015
21
POSCO
2142
15
Atotech Deutschland GmbH
524
14
ThyssenKrupp Steel Europe AG
992
14
Yuken Industry Co., Ltd.
63
9
Fabric8Labs, Inc.
77
7
BASF SE
21308
6
International Business Machines Corporation
62671
6
Chang Chun Petrochemical Co., Ltd.
121
6
DIPSOL Chemicals Co., Ltd.
60
6
NV Bekaert SA
725
5
SMS Group GmbH
1200
5
United States Steel Corporation
173
5
Illinois Tool Works Inc.
11866
4
Baoshan Iron & Steel Co., Ltd.
1104
4
Mitsubishi Materials Corporation
2475
4
The Royal Mint Limited
17
4
Other owners 172