Patent holdings for IPC class C22C 1/05

Total number of patents in this class: 951

10-year publication summary

50
54
81
74
79
89
79
52
39
28
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Sumitomo Electric Industries, Ltd.
15750
49
Mitsubishi Materials Corporation
2472
37
Sumitomo Electric Hardmetal Corp.
1046
31
Kyocera Corporation
14071
27
JX Nippon Mining & Metals Corporation
1479
23
A.L.M.T. Corp.
234
17
Magotteaux International S.A.
122
17
Tanaka Kikinzoku Kogyo K.K.
570
16
Denka Company Limited
2650
15
HRL Laboratories, LLC
1609
13
Sandvik Intellectual Property AB
1458
13
Baker Hughes Holdings LLC
3005
13
Hitachi Metals, Ltd.
1960
11
Baker Hughes Incorporated
5179
10
Hyperion Materials & Technologies (Sweden) AB
67
10
Kennametal Inc.
1375
9
Element Six GmbH
108
9
Diamet Corporation
93
8
Fujimi Incorporated
765
7
Tungaloy Corporation
516
7
Other owners 609