Patent holdings for IPC class C30B 25/02

Total number of patents in this class: 728

10-year publication summary

39
54
63
55
53
55
52
50
37
14
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Applied Materials, Inc.
18433
29
Element Six Technologies Limited
192
16
Shin-Etsu Handotai Co., Ltd.
1286
15
Sumco Corporation
1126
15
Sumitomo Electric Industries, Ltd.
15377
14
Hon Hai Precision Industry Co., Ltd.
4042
13
Sumitomo Chemical Company, Limited
9018
13
Shin-Etsu Chemical Co., Ltd.
5602
13
Tsinghua University
5842
13
Freiberger Compound Materials GmbH
60
12
NGK Insulators, Ltd.
4929
11
Flosfia Inc.
231
11
Resonac Corporation
2702
11
Mitsubishi Chemical Corporation
4492
10
ASM IP Holding B.V.
2041
10
The Regents of the University of California
19839
9
Taiwan Semiconductor Manufacturing Company, Ltd.
42222
9
Mainstream Engineering Corporation
151
9
Siltronic AG
424
9
The United States of America as represented by the Secretary of the Air Force
837
9
Other owners 477