Patent holdings for IPC class G03F 7/028

Total number of patents in this class: 732

10-year publication summary

38
50
40
28
54
41
52
42
48
27
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
FUJIFILM Corporation
30543
89
LG Chem, Ltd.
17937
56
Samsung SDI Co., Ltd.
10671
56
Resonac Corporation
3561
27
Tokyo Ohka Kogyo Co., Ltd.
1565
26
DONGWOO FINE-CHEM Co., Ltd.
1431
25
Shin-Etsu Chemical Co., Ltd.
6113
20
Sumitomo Chemical Company, Limited
8968
15
Samsung Display Co., Ltd.
38721
14
Kolon Industries, Inc.
1844
14
JSR Corporation
2560
13
Canon Inc.
43941
12
Dongjin Semichem Co., Ltd.
514
12
Duk San Neolux Co., Ltd.
703
12
Jicc-02 Co., Ltd.
275
11
Cheil Industries Inc.
810
10
Toray Industries, Inc.
7116
10
Boe Technology Group Co., Ltd.
44158
10
Samsung Electronics Co., Ltd.
158156
9
Covestro Deutschland AG
2841
8
Other owners 283