Patent holdings for IPC class C25D 21/12

Total number of patents in this class: 803

10-year publication summary

53
72
86
72
59
47
76
83
88
28
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Ebara Corporation
2117
101
Lam Research Corporation
5127
84
Novellus Systems, Inc.
493
39
Applied Materials, Inc.
18358
30
Taiwan Semiconductor Manufacturing Company, Ltd.
41636
22
Atotech Deutschland GmbH
563
20
Tokyo Electron Limited
12371
17
Fabric8Labs, Inc.
50
17
ACM Research (Shanghai) Inc.
286
12
Semsysco GmbH
64
12
Modumetal, Inc.
71
9
International Business Machines Corporation
60649
7
Toyota Motor Corporation
30988
7
Anycasting Co., Ltd.
46
7
JFE Steel Corporation
6684
6
Toyo Kohan Co., Ltd.
415
6
Yamamoto-MS Co., Ltd.
27
6
Dong-A University Research Foundation for Industry-Academy Cooperation
177
5
Kings Mountain International, Inc.
20
5
Iontra Inc
65
5
Other owners 386