Patent holdings for IPC class G03F 7/09

Total number of patents in this class: 1614

10-year publication summary

118
162
114
166
134
136
91
111
89
114
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Shin-Etsu Chemical Co., Ltd.
5807
156
FUJIFILM Corporation
29843
153
Taiwan Semiconductor Manufacturing Company, Ltd.
46224
135
Nissan Chemical Industries, Ltd.
1697
88
Tokyo Electron Limited
13169
56
JSR Corporation
2543
52
DuPont Electronic Materials International, LLC
424
45
Merck Patent GmbH
5753
43
Samsung SDI Co., Ltd.
8922
42
Samsung Electronics Co., Ltd.
149362
31
International Business Machines Corporation
61759
30
Nissan Chemical Corporation
2111
30
Applied Materials, Inc.
19327
22
Toray Industries, Inc.
7021
21
Cheil Industries Inc.
842
20
Resonac Corporation
3018
20
Tokyo Ohka Kogyo Co., Ltd.
1548
19
AZ Electronic Materials USA Corp.
68
18
Eastman Kodak Company
2790
16
Lam Research Corporation
5385
15
Other owners 602