Patent holdings for IPC class B22F 9/08

Total number of patents in this class: 1394

10-year publication summary

69
89
109
130
108
157
137
125
144
85
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
ArcelorMittal
2280
58
JFE Steel Corporation
6833
34
Hitachi Metals, Ltd.
1982
31
SANYO Special Steel Co., Ltd.
222
27
Seiko Epson Corporation
19327
25
Ap&c Advanced Powders & Coatings Inc.
31
20
TDK Corporation
6720
18
Dowa Electronics Materials Co., Ltd.
633
18
Iowa State University Research Foundation, Inc.
773
18
Mitsubishi Heavy Industries, Ltd.
8712
16
6K Inc
148
15
Höganäs AB
308
14
ALD Vacuum Technologies GmbH
139
13
Mitsubishi Materials Corporation
2442
13
JX Nippon Mining & Metals Corporation
1489
12
Toshiba Corporation
12334
11
Murata Manufacturing Co., Ltd.
24503
11
Tenneco Inc
280
11
LS Cable & System Ltd.
378
10
South China University of Technology
1785
10
Other owners 1009