Patent holdings for IPC class C25D 21/12

Total number of patents in this class: 867

10-year publication summary

68
85
71
58
46
74
84
87
94
4
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Ebara Corporation
2252
118
Lam Research Corporation
5437
89
Novellus Systems, Inc.
466
38
Applied Materials, Inc.
19683
32
Taiwan Semiconductor Manufacturing Company, Ltd.
46613
22
Fabric8Labs, Inc.
68
22
Tokyo Electron Limited
13380
20
ACM Research (Shanghai) Inc.
377
19
Atotech Deutschland GmbH
542
19
Semsysco GmbH
63
12
Modumetal, Inc.
71
9
International Business Machines Corporation
61929
7
Toyota Motor Corporation
33951
7
Anycasting Co., Ltd.
50
7
Hitachi, Ltd.
15800
6
JFE Steel Corporation
7179
6
Toyo Kohan Co., Ltd.
426
6
Yamamoto-MS Co., Ltd.
27
6
Dong-A University Research Foundation for Industry-Academy Cooperation
207
5
Kings Mountain International, Inc.
20
5
Other owners 412