- 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: 1511
10-year publication summary
|
109
|
124
|
116
|
104
|
85
|
75
|
64
|
56
|
55
|
22
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30512 |
160 |
| Shin-Etsu Chemical Co., Ltd. | 6083 |
149 |
| Tokyo Ohka Kogyo Co., Ltd. | 1560 |
128 |
| Tokyo Electron Limited | 13796 |
121 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48248 |
93 |
| Sumitomo Chemical Company, Limited | 8996 |
59 |
| JSR Corporation | 2555 |
39 |
| Jicc-02 Co., Ltd. | 275 |
29 |
| Merck Patent GmbH | 5725 |
28 |
| Screen Holdings Co., Ltd. | 3148 |
27 |
| DuPont Electronic Materials International, LLC | 426 |
27 |
| Samsung Electronics Co., Ltd. | 157557 |
24 |
| Eastman Kodak Company | 2607 |
22 |
| Nissan Chemical Industries, Ltd. | 1646 |
22 |
| Boe Technology Group Co., Ltd. | 44004 |
19 |
| LG Chem, Ltd. | 17921 |
18 |
| Semes Co., Ltd. | 1677 |
17 |
| Inpria Corporation | 144 |
15 |
| International Business Machines Corporation | 62621 |
14 |
| Cheil Industries Inc. | 813 |
13 |
| Other owners | 487 |