Patent holdings for IPC class C23G 3/02

Total number of patents in this class: 152

10-year publication summary

5
11
18
10
17
19
10
13
12
5
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Wisdri Engineering & Research Incorporation Limited
181
23
ArcelorMittal
2077
15
Primetals Technologies Japan, Ltd.
154
13
POSCO
2204
10
Danieli & C. Officine Meccaniche S.p.A.
707
8
Nippon Steel Corporation
6031
6
JFE Steel Corporation
6587
5
SMS Group GmbH
1081
5
Henkel AG & Co. KGaA
10365
4
Primetals Technologies Austria GmbH
514
4
Siemens VAI Metals Technologies SAS
67
3
Baoshan Iron & Steel Co., Ltd.
902
3
Net Boru Sanayi ve DIS Ticaret Kollektif Sirketi Bora Saman ve Ortagi
11
3
AK Steel Properties, Inc.
75
2
ArcelorMittal France
102
2
Centre de Recherches Metallurgiques ASBL - Centrum voor Research in de Metallurgie VZW
44
2
Fives Stein
100
2
Hydro Aluminium Rolled Products GmbH
118
2
Kolene Corporation
38
2
Nakagawa Special Steel Inc.
5
2
Other owners 36