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.
222
8
Sumitomo Electric Industries, Ltd.
14990
5
NTN Corporation
4980
3
Diamet Corporation
88
3
Kobayashi Industry Co., Ltd.
4
3
Showa Denko Materials Co., Ltd.
624
3
Hitachi Chemical Company, Ltd.
2386
2
Hitachi Metals, Ltd.
2020
2
Intermetallics Co., Ltd.
33
2
Hitachi, Ltd.
15239
1
Nitto Denko Corporation
8099
1
Panasonic Intellectual Property Management Co., Ltd.
29800
1
Aoki Science Institute Co., Ltd.
13
1
Daido Steel Co., Ltd.
258
1
GKN Sinter Metals, Inc.
11
1
Hitachi Powdered Metals Co., Ltd.
14
1
JFE Steel Corporation
6580
1
Mitsubishi Materials Corporation
2407
1
Nidec Corporation
2603
1
Porite Corporation
17
1
Other owners 8