Patent holdings for IPC class C25D 21/00

Total number of patents in this class: 145

10-year publication summary

5
9
18
17
16
5
14
17
10
1
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Ebara Corporation
2078
19
Almex PE Inc.
16
7
Taiwan Semiconductor Manufacturing Company, Ltd.
40608
5
Novellus Systems, Inc.
508
5
Applied Materials, Inc.
17745
4
YKK Corporation
1948
4
The Regents of the University of California
19517
3
Tokyo Electron Limited
12115
3
ACM Research (Shanghai) Inc.
257
3
Atotech Deutschland GmbH
566
3
Sumitomo Electric Toyama Co., Ltd.
102
3
Think Laboratory Co., Ltd.
120
3
Chongqing Jimat New Material Technology Co., Ltd.
23
3
Lam Research Corporation
5001
2
Chuo Seisakusho, Ltd.
3
2
KYB Corporation
1325
2
Nippon Steel & Sumitomo Metal Corporation
1988
2
SPTS Technologies Limited
131
2
Vallourec Oil and Gas France
461
2
Greensource Fabrication LLC
9
2
Other owners 66