Patent holdings for IPC class G03F 7/031

Total number of patents in this class: 1134

10-year publication summary

106
138
90
101
76
68
64
74
73
6
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
FUJIFILM Corporation
30010
269
Resonac Corporation
3083
43
Hitachi Chemical Company, Ltd.
2301
40
Mitsubishi Chemical Corporation
4661
28
Asahi Kasei Kabushiki Kaisha
2743
27
Toray Industries, Inc.
7014
26
Adeka Corporation
1370
26
Samsung SDI Co., Ltd.
9181
25
BASF SE
21135
20
DNP Fine Chemicals Co., Ltd.
179
20
Samsung Display Co., Ltd.
37127
18
Hitachi Chemical DuPont Microsystems Ltd.
59
17
Mitsubishi Gas Chemical Company, Inc.
3543
17
Taiyo Ink Mfg. Co., Ltd.
208
16
GOO Chemical Co., Ltd.
81
15
Konica Minolta Medical & Graphic, Inc.
687
14
Boe Technology Group Co., Ltd.
42421
14
DONGWOO FINE-CHEM Co., Ltd.
1399
14
Tokyo Ohka Kogyo Co., Ltd.
1555
13
Canon Inc.
41573
12
Other owners 460