Patent holdings for IPC class G03F 7/028

Total number of patents in this class: 680

10-year publication summary

39
38
49
40
28
54
40
50
42
27
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
FUJIFILM Corporation
29437
90
LG Chem, Ltd.
17635
56
Samsung SDI Co., Ltd.
8385
42
Tokyo Ohka Kogyo Co., Ltd.
1541
26
DONGWOO FINE-CHEM Co., Ltd.
1344
25
Resonac Corporation
2812
20
Shin-Etsu Chemical Co., Ltd.
5669
19
Sumitomo Chemical Company, Limited
9043
15
Samsung Display Co., Ltd.
34907
14
Kolon Industries, Inc.
1688
14
JSR Corporation
2527
13
Duk San Neolux Co., Ltd.
654
12
Cheil Industries Inc.
852
10
Toray Industries, Inc.
6950
10
Boe Technology Group Co., Ltd.
41291
10
Samsung Electronics Co., Ltd.
146811
9
Canon Inc.
40095
8
Covestro Deutschland AG
2760
8
Dongjin Semichem Co., Ltd.
487
8
Konica Minolta Medical & Graphic, Inc.
775
7
Other owners 264