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
7
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Ebara Corporation
2169
20
Almex PE Inc.
16
7
Taiwan Semiconductor Manufacturing Company, Ltd.
42704
6
Novellus Systems, Inc.
483
5
ACM Research (Shanghai) Inc.
318
4
YKK Corporation
1978
4
Applied Materials, Inc.
18621
3
Tokyo Electron Limited
12712
3
Atotech Deutschland GmbH
556
3
Sumitomo Electric Toyama Co., Ltd.
107
3
Think Laboratory Co., Ltd.
117
3
Chongqing Jimat New Material Technology Co., Ltd.
23
3
The Regents of the University of California
19918
2
Lam Research Corporation
5239
2
Chuo Seisakusho, Ltd.
3
2
KYB Corporation
1359
2
Nippon Steel & Sumitomo Metal Corporation
1988
2
SPTS Technologies Limited
137
2
Vallourec Oil and Gas France
454
2
Greensource Fabrication LLC
11
2
Other owners 70