Patent holdings for IPC class C25D 21/12

Total number of patents in this class: 833

10-year publication summary

53
72
86
72
59
47
76
84
88
58
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Ebara Corporation
2169
109
Lam Research Corporation
5239
86
Novellus Systems, Inc.
483
39
Applied Materials, Inc.
18621
31
Taiwan Semiconductor Manufacturing Company, Ltd.
42704
22
Atotech Deutschland GmbH
556
20
Fabric8Labs, Inc.
56
20
ACM Research (Shanghai) Inc.
318
18
Tokyo Electron Limited
12712
17
Semsysco GmbH
67
12
Modumetal, Inc.
72
9
International Business Machines Corporation
61228
7
Toyota Motor Corporation
32116
7
Anycasting Co., Ltd.
48
7
Hitachi, Ltd.
15484
6
JFE Steel Corporation
6840
6
Toyo Kohan Co., Ltd.
420
6
Yamamoto-MS Co., Ltd.
27
6
Dong-A University Research Foundation for Industry-Academy Cooperation
192
5
Kings Mountain International, Inc.
20
5
Other owners 395