- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 7/256 - Record carriers characterised by the selection of the material of layers other than recording layers of layers improving adhesion between layers
Patent holdings for IPC class G11B 7/256
Total number of patents in this class: 17
10-year publication summary
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1
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0
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0
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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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1
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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
|
|---|---|---|
| FUJIFILM Corporation | 30689 |
5 |
| Sony Corporation | 30052 |
3 |
| Lintec Corporation | 2026 |
3 |
| Sharp Corporation | 10868 |
1 |
| Nitto Denko Corporation | 8589 |
1 |
| Thomson Licensing | 3162 |
1 |
| Brigham Young University | 602 |
1 |
| DIC Imaging Products USA, LLC | 3 |
1 |
| FUJIFILM Business Innovation Corp. | 8039 |
1 |
| Other owners | 0 |