- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 5/008 - Recording on, or reproducing or erasing from, magnetic tapes or wires
Patent holdings for IPC class G11B 5/008
Total number of patents in this class: 778
10-year publication summary
|
84
|
105
|
96
|
127
|
112
|
87
|
121
|
66
|
73
|
9
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| International Business Machines Corporation | 60644 |
359 |
| FUJIFILM Corporation | 27102 |
163 |
| JPMorgan Chase Bank, National Association | 10964 |
55 |
| Sony Corporation | 32931 |
33 |
| Oracle International Corporation | 12313 |
24 |
| Hewlett Packard Enterprise Development LP | 10702 |
17 |
| Nidec Sankyo Corporation | 1117 |
9 |
| Quantum Corporation | 332 |
9 |
| Fujitsu Limited | 19265 |
6 |
| Dell Products L.P. | 11144 |
6 |
| Sony Group Corporation | 10730 |
6 |
| Kyndryl, Inc. | 3161 |
6 |
| Seagate Technology LLC | 4228 |
5 |
| Headway Technologies, Inc. | 715 |
5 |
| Western Digital Technologies, Inc. | 1043 |
5 |
| IBM United Kingdom Limited | 4467 |
5 |
| Spectra Logic Corporation | 157 |
4 |
| META Platforms, Inc. | 7514 |
4 |
| Hewlett-Packard Development Company, L.P. | 28538 |
3 |
| Amazon Technologies, Inc. | 24422 |
3 |
| Other owners | 51 |