Patent holdings for IPC class G03F 7/038

Total number of patents in this class: 3873

10-year publication summary

322
330
295
291
256
258
278
286
290
130
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
FUJIFILM Corporation
30434
894
Shin-Etsu Chemical Co., Ltd.
6037
336
JSR Corporation
2538
242
Tokyo Ohka Kogyo Co., Ltd.
1558
214
Taiwan Semiconductor Manufacturing Company, Ltd.
48073
116
Toray Industries, Inc.
7093
105
Sumitomo Chemical Company, Limited
9019
83
Mitsubishi Gas Chemical Company, Inc.
3613
72
LG Chem, Ltd.
17920
51
Samsung Electronics Co., Ltd.
156823
49
Sumitomo Bakelite Co., Ltd.
1524
49
Resonac Corporation
3465
49
DuPont Electronic Materials International, LLC
427
48
Nippon Kayaku Kabushiki Kaisha
1460
45
Merck Patent GmbH
5727
41
Jicc-02 Co., Ltd.
299
38
Central Glass Company, Limited
1292
37
Samsung SDI Co., Ltd.
10477
31
Nissan Chemical Industries, Ltd.
1651
31
Nissan Chemical Corporation
2208
30
Other owners 1312