- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 5/673 - Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers comprising the repeated occurrence of two or more layers
Patent holdings for IPC class G11B 5/673
Total number of patents in this class: 16
10-year publication summary
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0
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0
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0
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1
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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 | 8661 |
4 |
| Showa Denko K.K. | 2110 |
3 |
| Hitachi, Ltd. | 15867 |
2 |
| ULVAC, Inc. | 1369 |
2 |
| International Business Machines Corporation | 62148 |
1 |
| Toshiba Corporation | 12698 |
1 |
| Seagate Technology LLC | 3985 |
1 |
| Agency for Science, Technology and Research | 3685 |
1 |
| Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences | 311 |
1 |
| Other owners | 0 |