Patent holdings for IPC class G03F 7/038

Total number of patents in this class: 3757

10-year publication summary

320
328
293
290
256
256
275
286
290
30
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
FUJIFILM Corporation
30016
891
Shin-Etsu Chemical Co., Ltd.
5856
326
JSR Corporation
2548
233
Tokyo Ohka Kogyo Co., Ltd.
1552
206
Taiwan Semiconductor Manufacturing Company, Ltd.
46560
112
Toray Industries, Inc.
7018
101
Sumitomo Chemical Company, Limited
9053
81
Mitsubishi Gas Chemical Company, Inc.
3546
68
LG Chem, Ltd.
17744
51
Sumitomo Bakelite Co., Ltd.
1521
49
Samsung Electronics Co., Ltd.
151303
48
DuPont Electronic Materials International, LLC
423
47
Nippon Kayaku Kabushiki Kaisha
1457
45
Resonac Corporation
3098
43
Merck Patent GmbH
5726
41
Central Glass Company, Limited
1282
35
Nissan Chemical Industries, Ltd.
1685
31
Eastman Kodak Company
2746
29
Samsung SDI Co., Ltd.
9233
29
Nissan Chemical Corporation
2131
28
Other owners 1263