- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 15/28 - Driving record carriers by members acting directly or indirectly thereon through rollers driving by frictional contact with the record carrier, e.g. capstanMultiple arrangements of capstans or drums coupled to means for controlling the speed of the driveMultiple capstan systems alternately engageable with record carrier to provide reversal
Patent holdings for IPC class G11B 15/28
Total number of patents in this class: 6
10-year publication summary
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0
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1
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0
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1
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2
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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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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JPMorgan Chase Bank, National Association | 8970 |
2 |
| International Business Machines Corporation | 62847 |
1 |
| FUJIFILM Corporation | 30774 |
1 |
| Oracle International Corporation | 13725 |
1 |
| Lenze Automation GmbH | 60 |
1 |
| Other owners | 0 |