- 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 1/40 - Electrostatic discharge [ESD] related features, e.g. antistatic coatings or a conductive metal layer around the periphery of the mask substrate
Patent holdings for IPC class G03F 1/40
Total number of patents in this class: 65
10-year publication summary
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1
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4
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3
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7
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9
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4
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4
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5
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6
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5
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Taiwan Semiconductor Manufacturing Company, Ltd. | 43400 |
10 |
| Hoya Corporation | 2754 |
8 |
| Agc, Inc. | 4922 |
6 |
| Boe Technology Group Co., Ltd. | 41547 |
5 |
| Samsung Display Co., Ltd. | 35269 |
3 |
| Yangtze Memory Technologies Co., Ltd. | 2739 |
2 |
| Hoya Electronics Singapore Pte. Ltd. | 10 |
2 |
| Kioxia Corporation | 10441 |
2 |
| Intel Corporation | 47129 |
1 |
| Micron Technology, Inc. | 26210 |
1 |
| Applied Materials Israel, Ltd. | 613 |
1 |
| ASML Netherlands B.V. | 7441 |
1 |
| Shin-Etsu Chemical Co., Ltd. | 5687 |
1 |
| LG Innotek Co., Ltd. | 7738 |
1 |
| Dai Nippon Printing Co., Ltd. | 4118 |
1 |
| Wistron Corporation | 2348 |
1 |
| Mitsubishi Chemical Corporation | 4545 |
1 |
| Advanced Mask Technology Center GmbH & Co. KG | 12 |
1 |
| Beijing BOE Display Technology Co., Ltd. | 2813 |
1 |
| Beijing BOE Optoelectronics Technology Co., Ltd. | 3891 |
1 |
| Other owners | 15 |