- All sections
- H - Electricity
- H10D - Inorganic electric semiconductor devices
- H10D 62/57 - Physical imperfections the imperfections being on the surface of the semiconductor body, e.g. the body having a roughened surface
Patent holdings for IPC class H10D 62/57
Total number of patents in this class: 2
10-year publication summary
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2
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Agc, Inc. | 4691 |
1 |
| Grapheal | 8 |
1 |
| Other owners | 0 |