- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 15/12 - Masking of headsSelecting or switching of heads between operative and inoperative functionsMasking of beams, e.g. of light beams
Patent holdings for IPC class G11B 15/12
Total number of patents in this class: 28
10-year publication summary
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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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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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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toshiba Corporation | 12732 |
6 |
| JPMorgan Chase Bank, National Association | 8970 |
4 |
| International Business Machines Corporation | 62847 |
3 |
| Texas Instruments Incorporated | 19622 |
3 |
| Sony Interactive Entertainment LLC | 2190 |
2 |
| Hewlett-Packard Development Company, L.P. | 25121 |
1 |
| Oracle America, Inc. | 2435 |
1 |
| Seagate Technology LLC | 3970 |
1 |
| Rohm Co., Ltd. | 6916 |
1 |
| Hoya Corporation | 2397 |
1 |
| Hewlett Packard Enterprise Development LP | 11551 |
1 |
| Toshiba Electronic Devices & Storage Corporation | 2435 |
1 |
| Marvell Asia PTE, Ltd. | 6249 |
1 |
| Cavium International | 4555 |
1 |
| Avago Technologies International Sales Pte. Limited | 8525 |
1 |
| Other owners | 0 |