Patent holdings for IPC class B22F 9/08

Total number of patents in this class: 1407

10-year publication summary

65
81
97
120
100
144
119
117
139
99
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
ArcelorMittal
2324
58
JFE Steel Corporation
6935
34
Hitachi Metals, Ltd.
1973
31
SANYO Special Steel Co., Ltd.
226
27
Seiko Epson Corporation
19556
25
Ap&c Advanced Powders & Coatings Inc.
31
20
TDK Corporation
6839
18
Dowa Electronics Materials Co., Ltd.
635
18
Iowa State University Research Foundation, Inc.
785
18
Mitsubishi Heavy Industries, Ltd.
8787
16
6K Inc
147
15
Höganäs AB
308
14
Mitsubishi Materials Corporation
2458
14
ALD Vacuum Technologies GmbH
138
12
JX Nippon Mining & Metals Corporation
1486
12
SunCoke Technology and Development LLC
240
12
Toshiba Corporation
12502
11
Murata Manufacturing Co., Ltd.
24741
11
Tenneco Inc
224
11
South China University of Technology
1800
10
Other owners 1020