Patent holdings for IPC class C23C 30/00

Total number of patents in this class: 2037

10-year publication summary

140
177
136
151
102
116
105
83
74
48
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Nippon Steel Corporation
7098
92
ArcelorMittal
2754
63
POSCO Co., Ltd.
2032
62
JFE Steel Corporation
7675
53
Walter AG
266
53
Siemens AG
23934
50
Sandvik Intellectual Property AB
1388
44
General Electric Company
14010
43
AB Sandvik Coromant
312
39
Oerlikon Surface Solutions AG, Pfaffikon
560
36
SECO Tools AB
451
36
Mitsubishi Materials Corporation
2484
32
Tungaloy Corporation
540
31
Rtx Corporation
10222
28
Federal-Mogul Burscheid GmbH
275
23
JX Nippon Mining & Metals Corporation
1453
22
ThyssenKrupp Steel Europe AG
997
21
Pratt & Whitney Canada Corp.
5594
19
Sumitomo Electric Hardmetal Corp.
1102
19
Sumitomo Electric Industries, Ltd.
16437
18
Other owners 1253