- All sections
- G - Physics
- G03F - Photomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices; materials therefor; originals therefor; apparatus 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: 1463
10-year publication summary
|
176
|
98
|
109
|
124
|
116
|
100
|
67
|
58
|
54
|
20
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shin-Etsu Chemical Co., Ltd. | 5132 |
157 |
| FUJIFILM Corporation | 27102 |
152 |
| Tokyo Ohka Kogyo Co., Ltd. | 1481 |
152 |
| Tokyo Electron Limited | 11599 |
113 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
81 |
| Sumitomo Chemical Company, Limited | 8808 |
57 |
| JSR Corporation | 2476 |
38 |
| Rohm and Haas Electronic Materials LLC | 637 |
35 |
| Merck Patent GmbH | 5909 |
29 |
| Screen Holdings Co., Ltd. | 2431 |
28 |
| Nissan Chemical Industries, Ltd. | 1822 |
26 |
| Eastman Kodak Company | 3444 |
23 |
| Samsung Electronics Co., Ltd. | 131630 |
19 |
| Boe Technology Group Co., Ltd. | 35384 |
18 |
| LG Chem, Ltd. | 17205 |
17 |
| International Business Machines Corporation | 60644 |
17 |
| Cheil Industries Inc. | 944 |
13 |
| Semes Co., Ltd. | 1119 |
12 |
| Samsung Display Co., Ltd. | 30585 |
11 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
11 |
| Other owners | 454 |