Patent holdings for IPC class G03F 7/028

Total number of patents in this class: 679

10-year publication summary

40
38
50
40
28
53
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
29399
90
LG Chem, Ltd.
17638
56
Samsung SDI Co., Ltd.
8330
42
Tokyo Ohka Kogyo Co., Ltd.
1541
26
DONGWOO FINE-CHEM Co., Ltd.
1334
25
Resonac Corporation
2815
20
Shin-Etsu Chemical Co., Ltd.
5662
19
Sumitomo Chemical Company, Limited
9047
15
Samsung Display Co., Ltd.
34798
14
Kolon Industries, Inc.
1687
14
JSR Corporation
2524
13
Duk San Neolux Co., Ltd.
653
12
Cheil Industries Inc.
855
10
Toray Industries, Inc.
6945
10
Boe Technology Group Co., Ltd.
41217
10
Samsung Electronics Co., Ltd.
146346
9
Canon Inc.
39960
8
Covestro Deutschland AG
2748
8
Dongjin Semichem Co., Ltd.
487
8
Konica Minolta Medical & Graphic, Inc.
781
7
Other owners 263