- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 23/38 - Visual features other than those contained in record tracks or represented by sprocket holes
Patent holdings for IPC class G11B 23/38
Total number of patents in this class: 3
10-year publication summary
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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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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
|
|---|---|---|
| Alps Electric Co., Ltd. | 787 |
1 |
| IQ Structures s.r.o. | 31 |
1 |
| Nidec Corporation | 2764 |
1 |
| Other owners | 0 |