Patent holdings for IPC class B21J 1/06

Total number of patents in this class: 205

10-year publication summary

33
14
20
23
17
22
9
18
16
3
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Hitachi Metals, Ltd.
2175
11
ATI Properties LLC
202
8
Saint Augustin Canada Electric Inc.
90
7
ATI Properties, Inc.
109
5
IHI Corporation
3268
5
Kobe Steel, Ltd.
912
5
Nippon Steel Corporation
5649
5
Nippon Steel & Sumitomo Metal Corporation
1990
5
Safran Aircraft Engines
5739
5
NTN Corporation
5008
4
CITIC Dicastal CO., LTD
531
4
Magna International Inc.
1236
4
SMS Group GmbH
1029
4
Proterial, Ltd.
638
4
General Electric Company
18133
3
Showa Denko K.K.
2539
3
Daido Steel Co., Ltd.
237
3
ILJIN Steel Corporation
6
3
Inductoheat, Inc.
48
3
Shinohara Press Service Co., Ltd.
10
3
Other owners 111