Patent holdings for IPC class B22D 13/02

Total number of patents in this class: 128

10-year publication summary

9
14
17
16
12
8
11
5
1
1
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Hitachi Metals, Ltd.
2026
25
United States Pipe and Foundry Company,LLC
82
9
JFE Steel Corporation
6538
7
Kubota Corporation
3477
7
Daido Metal Company Ltd.
233
4
Safran Aircraft Engines
6024
4
TPR Co., Ltd.
151
3
TPR Industry Co., Ltd.
47
3
University of Science and Technology Beijing
271
3
8617490 Canada Inc.
3
3
Nippon Steel Rolls Corporation
4
3
Honda Motor Co., Ltd.
24865
2
ALD Vacuum Technologies GmbH
139
2
Valme S.r.l. - Unico Socio
4
2
Xinxing Ductile Iron Pipes Co., Ltd.
12
2
Hands Corporation Ltd.
13
2
Guangdong Beisheng Yitong Industrial Co., Ltd.
6
2
LEE, In Ja
2
2
Chongqing Jinkang Powertrain New Energy Co., Ltd.
72
2
Samsung SDI Co., Ltd.
7296
1
Other owners 40