- 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 7/42 - Stripping or agents therefor
Patent holdings for IPC class G03F 7/42
Total number of patents in this class: 1040
10-year publication summary
|
67
|
81
|
75
|
75
|
81
|
66
|
72
|
53
|
70
|
32
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tokyo Electron Limited | 13796 |
60 |
| FUJIFILM Corporation | 30512 |
54 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48248 |
46 |
| Versum Materials US, LLC | 677 |
33 |
| Anji Microelectronics (Shanghai) Co., Ltd. | 151 |
32 |
| Screen Holdings Co., Ltd. | 3148 |
30 |
| Merck Patent GmbH | 5725 |
27 |
| Tokyo Ohka Kogyo Co., Ltd. | 1560 |
24 |
| BASF SE | 21303 |
20 |
| Dow Global Technologies LLC | 10930 |
19 |
| Nissan Chemical Corporation | 2218 |
19 |
| DONGWOO FINE-CHEM Co., Ltd. | 1429 |
17 |
| Entegris, Inc. | 2008 |
17 |
| Mitsubishi Gas Chemical Company, Inc. | 3619 |
17 |
| Applied Materials, Inc. | 20363 |
16 |
| Panasonic Intellectual Property Management Co., Ltd. | 33911 |
16 |
| Lam Research Corporation | 5621 |
16 |
| LG Chem, Ltd. | 17921 |
15 |
| Boe Technology Group Co., Ltd. | 44004 |
14 |
| Kao Corporation | 5073 |
12 |
| Other owners | 536 |