- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 7/24041 - Multiple laminated recording layers with different recording characteristics
Patent holdings for IPC class G11B 7/24041
Total number of patents in this class: 9
10-year publication summary
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0
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2
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1
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1
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0
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0
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0
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2
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0
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 30244 |
3 |
| Sony Group Corporation | 15525 |
2 |
| Panasonic Corporation | 19134 |
1 |
| FUJIFILM Corporation | 30458 |
1 |
| Sony DADC US Inc. | 9 |
1 |
| Blue Ridge Innovations, LLC | 231 |
1 |
| Other owners | 0 |