- 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
|
1
|
0
|
2
|
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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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 30891 |
3 |
| Sony Group Corporation | 14351 |
2 |
| Panasonic Corporation | 20012 |
1 |
| FUJIFILM Corporation | 29714 |
1 |
| Sony DADC US Inc. | 9 |
1 |
| Edison Innovations, LLC | 752 |
1 |
| Other owners | 0 |