Patent holdings for IPC class B22F 9/08

Total number of patents in this class: 1492

10-year publication summary

89
110
130
109
158
137
130
148
140
48
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
ArcelorMittal
2672
66
JFE Steel Corporation
7527
38
Hitachi Metals, Ltd.
1898
31
Seiko Epson Corporation
20256
29
SANYO Special Steel Co., Ltd.
246
28
SunCoke Technology and Development LLC
245
24
Ap&c Advanced Powders & Coatings Inc.
34
23
TDK Corporation
6858
20
Iowa State University Research Foundation, Inc.
827
19
Dowa Electronics Materials Co., Ltd.
635
18
Mitsubishi Heavy Industries, Ltd.
9128
16
Höganäs AB
301
15
6K Inc
135
15
ALD Vacuum Technologies GmbH
141
13
Mitsubishi Materials Corporation
2472
13
JX Nippon Mining & Metals Corporation
1461
12
Murata Manufacturing Co., Ltd.
25744
11
Continuum Powders Corporation
33
11
LS Cable & System Ltd.
408
10
South China University of Technology
1904
10
Other owners 1070