Patent holdings for IPC class C25D 21/00

Total number of patents in this class: 150

10-year publication summary

5
9
18
17
16
5
15
17
10
6
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Ebara Corporation
2160
20
Almex PE Inc.
16
7
Taiwan Semiconductor Manufacturing Company, Ltd.
42288
6
Novellus Systems, Inc.
485
5
YKK Corporation
1970
4
Applied Materials, Inc.
18475
3
Tokyo Electron Limited
12599
3
ACM Research (Shanghai) Inc.
307
3
Atotech Deutschland GmbH
559
3
Sumitomo Electric Toyama Co., Ltd.
105
3
Think Laboratory Co., Ltd.
118
3
Chongqing Jimat New Material Technology Co., Ltd.
23
3
The Regents of the University of California
19859
2
Lam Research Corporation
5217
2
Chuo Seisakusho, Ltd.
3
2
KYB Corporation
1353
2
Nippon Steel & Sumitomo Metal Corporation
1988
2
SPTS Technologies Limited
136
2
Vallourec Oil and Gas France
452
2
Greensource Fabrication LLC
8
2
Other owners 71