- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 7/251 - Record carriers characterised by the selection of the material of recording layers comprising inorganic materials dispersed in an organic matrix
Patent holdings for IPC class G11B 7/251
Total number of patents in this class: 4
10-year publication summary
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1
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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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0
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0
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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 | 30451 |
3 |
| Konica Minolta, Inc. | 9016 |
1 |
| Other owners | 0 |