Patent holdings for IPC class G03F 7/038

Total number of patents in this class: 3346

10-year publication summary

332
308
322
330
294
291
251
252
270
86
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
FUJIFILM Corporation
27102
804
Shin-Etsu Chemical Co., Ltd.
5132
263
JSR Corporation
2476
190
Tokyo Ohka Kogyo Co., Ltd.
1481
183
Taiwan Semiconductor Manufacturing Company, Ltd.
36809
89
Toray Industries, Inc.
6652
88
Mitsubishi Gas Chemical Company, Inc.
3188
69
Sumitomo Chemical Company, Limited
8808
66
Rohm and Haas Electronic Materials LLC
637
56
LG Chem, Ltd.
17205
48
Nippon Kayaku Kabushiki Kaisha
1400
46
Sumitomo Bakelite Co., Ltd.
1416
43
Nissan Chemical Industries, Ltd.
1822
36
Merck Patent GmbH
5909
35
Samsung Electronics Co., Ltd.
131630
33
Eastman Kodak Company
3444
30
Boe Technology Group Co., Ltd.
35384
29
Central Glass Company, Limited
1244
28
International Business Machines Corporation
60644
26
San-Apro Limited
73
25
Other owners 1159