- All sections
- G - Physics
- G03F - Photomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devicesmaterials therefororiginals thereforapparatus specially adapted therefor
- G03F 7/028 - Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds with photosensitivity-increasing substances, e.g. photoinitiators
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 |