- 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: 21
10-year publication summary
|
4
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0
|
1
|
0
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0
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1
|
1
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0
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0
|
0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 27102 |
7 |
| Sony Corporation | 32931 |
3 |
| Lintec Corporation | 1915 |
3 |
| Sharp Corporation | 10015 |
1 |
| Nitto Denko Corporation | 7879 |
1 |
| Thomson Licensing | 4027 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
1 |
| DIC Imaging Products USA, LLC | 4 |
1 |
| Mempile Inc. | 24 |
1 |
| Mpo International | 11 |
1 |
| FUJIFILM Business Innovation Corp. | 7395 |
1 |
| Other owners | 0 |