Patent holdings for IPC class C25D 21/12

Total number of patents in this class: 830

10-year publication summary

53
72
86
72
59
47
76
84
88
55
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Ebara Corporation
2167
108
Lam Research Corporation
5225
85
Novellus Systems, Inc.
483
39
Applied Materials, Inc.
18589
31
Taiwan Semiconductor Manufacturing Company, Ltd.
42636
22
Atotech Deutschland GmbH
556
20
Fabric8Labs, Inc.
55
19
ACM Research (Shanghai) Inc.
317
18
Tokyo Electron Limited
12694
17
Semsysco GmbH
67
12
Modumetal, Inc.
72
9
International Business Machines Corporation
61210
7
Toyota Motor Corporation
31985
7
Anycasting Co., Ltd.
48
7
Hitachi, Ltd.
15476
6
JFE Steel Corporation
6833
6
Toyo Kohan Co., Ltd.
420
6
Yamamoto-MS Co., Ltd.
27
6
Dong-A University Research Foundation for Industry-Academy Cooperation
191
5
Kings Mountain International, Inc.
20
5
Other owners 395