Patent holdings for IPC class B21C 1/22

Total number of patents in this class: 89

10-year publication summary

7
11
10
9
10
5
10
0
1
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Sumitomo Metal Industries, Ltd.
419
11
MA Aluminum Corporation
45
5
Mitsubishi Aluminum Co., Ltd.
58
4
Sandvik Intellectual Property AB
1542
3
Feinrohren S.p.A.
6
3
Alleima GmbH
26
3
Showa Denko K.K.
2337
2
The Furukawa Electric Co., Ltd.
3600
2
Nippon Steel Corporation
6012
2
Sandvik Materials Technology Deutschland GmbH
59
2
SMS Group GmbH
1080
2
Taiyuan University of Science and Technology
40
2
United States Steel Corporation
173
2
Jiseong Aluminium Co.,Ltd.
4
2
FUJIFILM Business Innovation Corp.
7426
2
Changshu Meili Machinery Manufacturing Co., Ltd
2
2
Hitachi, Ltd.
15226
1
National Institute of Advanced Industrial Science and Technology
3736
1
Del PIA S.r.l.
8
1
Electric Power Research Institute, Inc.
212
1
Other owners 36