Patent holdings for IPC class G03F 7/038

Total number of patents in this class: 3479

10-year publication summary

308
322
330
294
291
255
254
273
284
14
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
FUJIFILM Corporation
28506
839
Shin-Etsu Chemical Co., Ltd.
5439
284
JSR Corporation
2475
205
Tokyo Ohka Kogyo Co., Ltd.
1509
187
Taiwan Semiconductor Manufacturing Company, Ltd.
40539
99
Toray Industries, Inc.
6843
91
Sumitomo Chemical Company, Limited
8976
71
Mitsubishi Gas Chemical Company, Inc.
3343
66
LG Chem, Ltd.
17632
50
Sumitomo Bakelite Co., Ltd.
1469
49
DuPont Electronic Materials International, LLC
365
46
Nippon Kayaku Kabushiki Kaisha
1427
44
Samsung Electronics Co., Ltd.
138518
39
Merck Patent GmbH
5847
35
Central Glass Company, Limited
1245
34
Nissan Chemical Industries, Ltd.
1762
31
Resonac Corporation
2392
31
Eastman Kodak Company
3044
28
Boe Technology Group Co., Ltd.
38777
26
San-Apro Limited
77
25
Other owners 1199