- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 21/04 - Automatic feed mechanism producing a transducing traverse of the head in a direction which cuts across the direction of travel of the recording medium, e.g. helical scan
Patent holdings for IPC class G11B 21/04
Total number of patents in this class: 13
10-year publication summary
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0
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1
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1
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2
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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
|
|---|---|---|
| JPMorgan Chase Bank, National Association | 8975 |
3 |
| Seagate Technology LLC | 3964 |
2 |
| Samsung Electronics Co., Ltd. | 158842 |
1 |
| International Business Machines Corporation | 62769 |
1 |
| FUJIFILM Corporation | 30653 |
1 |
| Oracle America, Inc. | 2464 |
1 |
| Hewlett Packard Enterprise Development LP | 11529 |
1 |
| Creative Technology Ltd | 444 |
1 |
| Adobe Inc. | 7583 |
1 |
| Lenovo Switzerland International GmbH | 2097 |
1 |
| Other owners | 0 |