Patent holdings for IPC class G03F 7/031

Total number of patents in this class: 1140

10-year publication summary

106
139
90
101
77
68
65
74
73
35
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
FUJIFILM Corporation
30327
273
Resonac Corporation
3277
49
Hitachi Chemical Company, Ltd.
2262
38
Asahi Kasei Kabushiki Kaisha
2806
30
Adeka Corporation
1372
27
Toray Industries, Inc.
7067
26
Mitsubishi Chemical Corporation
4665
26
Samsung SDI Co., Ltd.
10194
25
BASF SE
21165
20
DNP Fine Chemicals Co., Ltd.
183
20
Samsung Display Co., Ltd.
38092
18
Hitachi Chemical DuPont Microsystems Ltd.
59
17
Mitsubishi Gas Chemical Company, Inc.
3599
17
GOO Chemical Co., Ltd.
81
15
Boe Technology Group Co., Ltd.
43343
14
DONGWOO FINE-CHEM Co., Ltd.
1408
14
Taiyo Ink Mfg. Co., Ltd.
201
14
Tokyo Ohka Kogyo Co., Ltd.
1544
13
Canon Inc.
42633
12
Taiyo Holdings Co., Ltd.
313
12
Other owners 460