- 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 7/30 - Imagewise removal using liquid means
Patent holdings for IPC class G03F 7/30
Total number of patents in this class: 1503
10-year publication summary
|
109
|
124
|
116
|
104
|
85
|
75
|
66
|
57
|
55
|
24
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30653 |
160 |
| Shin-Etsu Chemical Co., Ltd. | 6134 |
144 |
| Tokyo Ohka Kogyo Co., Ltd. | 1561 |
128 |
| Tokyo Electron Limited | 13920 |
120 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48760 |
94 |
| Sumitomo Chemical Company, Limited | 8967 |
59 |
| JSR Corporation | 2554 |
39 |
| Jicc-02 Co., Ltd. | 267 |
29 |
| Merck Patent GmbH | 5742 |
28 |
| Screen Holdings Co., Ltd. | 3213 |
27 |
| DuPont Electronic Materials International, LLC | 431 |
27 |
| Samsung Electronics Co., Ltd. | 158842 |
23 |
| Eastman Kodak Company | 2584 |
22 |
| Nissan Chemical Industries, Ltd. | 1633 |
21 |
| Boe Technology Group Co., Ltd. | 44549 |
19 |
| LG Chem, Ltd. | 17967 |
18 |
| Semes Co., Ltd. | 1679 |
17 |
| Inpria Corporation | 145 |
15 |
| International Business Machines Corporation | 62769 |
14 |
| Cheil Industries Inc. | 807 |
13 |
| Other owners | 486 |