- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 13/04 - Recording simultaneously or selectively by methods or means covered by different main groupsRecord carriers thereforReproducing simultaneously or selectively therefrom magnetically and optically
Patent holdings for IPC class G11B 13/04
Total number of patents in this class: 89
10-year publication summary
|
2
|
5
|
2
|
2
|
4
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4
|
3
|
3
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1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seagate Technology LLC | 3977 |
37 |
| JPMorgan Chase Bank, National Association | 8669 |
26 |
| TDK Corporation | 6817 |
5 |
| SAE Magnetics (H.K.) Ltd. | 315 |
5 |
| Headway Technologies, Inc. | 685 |
4 |
| Centre National de La Recherche Scientifique | 10899 |
1 |
| Toshiba Corporation | 12700 |
1 |
| FUJIFILM Corporation | 30313 |
1 |
| Texas Instruments Incorporated | 19637 |
1 |
| Marvell International Ltd. | 1125 |
1 |
| Hoya Corporation | 2736 |
1 |
| Western Digital Technologies, Inc. | 1805 |
1 |
| Showa Denko K.K. | 2091 |
1 |
| Hitachi-LG Data Storage Korea, Inc. | 31 |
1 |
| Jinan University | 252 |
1 |
| Calsys Holdings, LLC | 3 |
1 |
| JPMorgan Chase Bank, N.A., AS The Agent | 2695 |
1 |
| Other owners | 0 |