- 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 1/58 - Absorbers, e.g. opaque materials having two or more different absorber layers, e.g. stacked multilayer absorbers
Patent holdings for IPC class G03F 1/58
Total number of patents in this class: 172
10-year publication summary
|
10
|
18
|
23
|
18
|
24
|
11
|
11
|
5
|
7
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hoya Corporation | 2738 |
64 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 47319 |
23 |
| Shin-Etsu Chemical Co., Ltd. | 5948 |
16 |
| Applied Materials, Inc. | 20036 |
12 |
| Samsung Electronics Co., Ltd. | 153845 |
5 |
| LG Chem, Ltd. | 17822 |
4 |
| Agc, Inc. | 5302 |
4 |
| S&S Tech Co., Ltd. | 32 |
4 |
| Toppan Photomask Co., Ltd. | 35 |
4 |
| Kioxia Corporation | 10709 |
3 |
| Tekscend Photomask Corp. | 33 |
3 |
| Samsung Display Co., Ltd. | 37860 |
2 |
| Nikon Corporation | 7304 |
2 |
| Carl Zeiss SMT GmbH | 3220 |
2 |
| Boe Technology Group Co., Ltd. | 42957 |
2 |
| GLOBALFOUNDRIES U.S. Inc. | 6396 |
2 |
| Toppan Printing Co., Ltd. | 2098 |
2 |
| KLA Corporation | 1790 |
2 |
| WI-A Corporation | 17 |
2 |
| Apple Inc. | 58074 |
1 |
| Other owners | 13 |