Patent holdings for IPC class B22F 9/08

Total number of patents in this class: 1481

10-year publication summary

81
97
120
100
145
119
122
139
131
32
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
ArcelorMittal
2526
63
JFE Steel Corporation
7349
37
Hitachi Metals, Ltd.
1921
31
Seiko Epson Corporation
20013
29
SANYO Special Steel Co., Ltd.
240
28
SunCoke Technology and Development LLC
246
23
Ap&c Advanced Powders & Coatings Inc.
34
23
TDK Corporation
6807
20
Dowa Electronics Materials Co., Ltd.
636
18
Iowa State University Research Foundation, Inc.
811
18
Mitsubishi Heavy Industries, Ltd.
9020
16
6K Inc
141
15
Höganäs AB
300
14
ALD Vacuum Technologies GmbH
139
13
Mitsubishi Materials Corporation
2457
13
Toshiba Corporation
12691
12
JX Nippon Mining & Metals Corporation
1466
12
Murata Manufacturing Co., Ltd.
25514
11
Continuum Powders Corporation
33
11
LS Cable & System Ltd.
401
10
Other owners 1064