- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 23/027 - Containers for single reels or spools
Patent holdings for IPC class G11B 23/027
Total number of patents in this class: 20
10-year publication summary
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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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1
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6
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7
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5
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1
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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 |
9 |
| Sony Corporation | 32931 |
7 |
| Sony Group Corporation | 10730 |
3 |
| Nexperia B.V. | 326 |
1 |
| Other owners | 0 |