Patent holdings for IPC class G03F 7/09

Total number of patents in this class: 1627

10-year publication summary

162
114
166
134
137
91
112
89
116
21
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Shin-Etsu Chemical Co., Ltd.
5918
165
FUJIFILM Corporation
30206
153
Taiwan Semiconductor Manufacturing Company, Ltd.
47071
135
Nissan Chemical Industries, Ltd.
1667
87
Tokyo Electron Limited
13465
56
JSR Corporation
2548
54
DuPont Electronic Materials International, LLC
425
46
Samsung SDI Co., Ltd.
9658
44
Merck Patent GmbH
5716
43
Samsung Electronics Co., Ltd.
153093
31
Nissan Chemical Corporation
2145
31
International Business Machines Corporation
62148
30
Applied Materials, Inc.
19938
24
Toray Industries, Inc.
7032
21
Cheil Industries Inc.
823
20
Resonac Corporation
3167
20
Tokyo Ohka Kogyo Co., Ltd.
1542
19
AZ Electronic Materials USA Corp.
66
18
Canon Inc.
42139
15
Eastman Kodak Company
2690
15
Other owners 600