- 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 1/34 - Phase-edge PSM, e.g. chromeless PSM; Preparation thereof
Patent holdings for IPC class G03F 1/34
Total number of patents in this class: 17
10-year publication summary
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0
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1
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0
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2
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4
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2
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2
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2
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0
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0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hoya Corporation | 2822 |
6 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
2 |
| ASML Netherlands B.V. | 6816 |
2 |
| Samsung Electronics Co., Ltd. | 131630 |
1 |
| Samsung Display Co., Ltd. | 30585 |
1 |
| Intel Corporation | 45621 |
1 |
| Seagate Technology LLC | 4228 |
1 |
| Dai Nippon Printing Co., Ltd. | 3891 |
1 |
| Carl Zeiss SMT GmbH | 2646 |
1 |
| Metamaterial Technologies USA, Inc. | 15 |
1 |
| Other owners | 0 |