Patent holdings for IPC class G03F 7/031

Total number of patents in this class: 1158

10-year publication summary

106
139
90
101
77
68
65
74
73
51
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
FUJIFILM Corporation
30514
277
Resonac Corporation
3530
54
Hitachi Chemical Company, Ltd.
2241
38
Asahi Kasei Kabushiki Kaisha
2833
31
Toray Industries, Inc.
7113
27
Adeka Corporation
1377
27
Mitsubishi Chemical Corporation
4724
26
Samsung SDI Co., Ltd.
10589
25
BASF SE
21303
20
DNP Fine Chemicals Co., Ltd.
183
20
Samsung Display Co., Ltd.
38627
18
Hitachi Chemical DuPont Microsystems Ltd.
58
17
Mitsubishi Gas Chemical Company, Inc.
3622
17
GOO Chemical Co., Ltd.
81
15
Boe Technology Group Co., Ltd.
44029
14
DONGWOO FINE-CHEM Co., Ltd.
1429
14
Canon Inc.
43817
13
Taiyo Ink Mfg. Co., Ltd.
200
13
Tokyo Ohka Kogyo Co., Ltd.
1562
13
Taiyo Holdings Co., Ltd.
318
12
Other owners 467