Patent holdings for IPC class B21C 51/00

Total number of patents in this class: 534

10-year publication summary

29
26
45
46
46
37
53
37
41
21
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
JFE Steel Corporation
6730
74
Nippon Steel Corporation
6139
38
Nippon Steel & Sumitomo Metal Corporation
1987
18
Primetals Technologies Japan, Ltd.
162
12
SMS Group GmbH
1108
12
Sumitomo Metal Industries, Ltd.
388
11
Toshiba Mitsubishi-Electric Industrial Systems Corporation
993
11
Danieli & C. Officine Meccaniche S.p.A.
705
8
Primetals Technologies Austria GmbH
524
8
WAFIOS Aktiengesellschaft
96
8
SMS Siemag Aktiengesellschaft
507
5
TRUMPF Werkzeugmaschinen GmbH + Co. KG
554
5
Ford Motor Company
2715
4
Amada Holdings Co., Ltd.
282
4
Europipe GmbH
17
4
Globus Medical, Inc.
2629
4
Sintokogio, Ltd.
1170
4
Jiangsu University of Science and Technology
373
4
TMEIC Corporation
752
4
Mitsubishi Heavy Industries, Ltd.
8616
3
Other owners 293