Patent holdings for IPC class B22F 3/035

Total number of patents in this class: 50

10-year publication summary

2
5
6
3
2
1
4
2
3
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Sumitomo Electric Sintered Alloy, Ltd.
227
8
Sumitomo Electric Industries, Ltd.
15443
5
NTN Corporation
4981
3
Diamet Corporation
92
3
Kobayashi Industry Co., Ltd.
4
3
Showa Denko Materials Co., Ltd.
624
3
Hitachi Chemical Company, Ltd.
2353
2
Hitachi Metals, Ltd.
1983
2
Intermetallics Co., Ltd.
33
2
Hitachi, Ltd.
15467
1
Nitto Denko Corporation
8217
1
Panasonic Intellectual Property Management Co., Ltd.
31273
1
Aoki Science Institute Co., Ltd.
13
1
Daido Steel Co., Ltd.
269
1
GKN Sinter Metals, Inc.
10
1
Hitachi Powdered Metals Co., Ltd.
13
1
JFE Steel Corporation
6827
1
Mitsubishi Materials Corporation
2438
1
Nidec Corporation
2658
1
Porite Corporation
21
1
Other owners 8