Patent holdings for IPC class B22D 13/02

Total number of patents in this class: 130

10-year publication summary

14
16
16
12
8
11
4
1
3
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Hitachi Metals, Ltd.
1927
25
United States Pipe and Foundry Company,LLC
80
9
JFE Steel Corporation
7300
7
Kubota Corporation
4199
7
Daido Metal Company Ltd.
242
4
Safran Aircraft Engines
6509
4
TPR Co., Ltd.
166
3
TPR Industry Co., Ltd.
51
3
University of Science and Technology Beijing
301
3
8617490 Canada Inc.
3
3
Nippon Steel Rolls Corporation
5
3
Honda Motor Co., Ltd.
25840
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.
14
2
Guangdong Beisheng Yitong Industrial Co., Ltd.
6
2
LEE, In Ja
2
2
Chongqing Jinkang Powertrain New Energy Co., Ltd.
72
2
Proterial, Ltd.
919
2
Other owners 41