Patent holdings for IPC class B21D 24/00

Total number of patents in this class: 310

10-year publication summary

32
19
29
38
32
23
36
20
18
1
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Nippon Steel Corporation
5649
65
Nippon Steel & Sumitomo Metal Corporation
1990
45
JFE Steel Corporation
6067
39
Stolle Machinery Company, LLC
367
10
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION)
13301
9
H-one Co., Ltd.
21
7
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
2865
7
Sumitomo Heavy Industries, Ltd.
1670
7
Toyo Seikan Co., Ltd.
515
7
Futaba Industrial Co., Ltd.
296
5
G-Tekt Corporation
29
5
Nisshin Steel Co., Ltd.
401
5
Ball Corporation
390
4
Toyoda Iron Works Co., Ltd.
263
4
Aisin Takaoka Co., Ltd.
101
3
Mazda Motor Corporation
3087
3
Standard Lifters, Inc.
92
3
Unipres Corporation
56
3
Honda Motor Co., Ltd.
24537
2
Nissan Motor Co., Ltd.
12249
2
Other owners 75