- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 5/012 - Recording on, or reproducing or erasing from, magnetic disks
Patent holdings for IPC class G11B 5/012
Total number of patents in this class: 792
10-year publication summary
|
58
|
57
|
71
|
75
|
50
|
75
|
45
|
29
|
39
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toshiba Corporation | 12536 |
178 |
| Seagate Technology LLC | 3984 |
142 |
| Toshiba Electronic Devices & Storage Corporation | 2150 |
137 |
| JPMorgan Chase Bank, National Association | 8617 |
108 |
| Avago Technologies International Sales Pte. Limited | 8637 |
53 |
| Marvell Asia PTE, Ltd. | 6394 |
23 |
| Headway Technologies, Inc. | 686 |
17 |
| Cavium International | 4842 |
13 |
| Western Digital Technologies, Inc. | 1789 |
9 |
| JPMorgan Chase Bank, N.A., AS The Agent | 2657 |
9 |
| International Business Machines Corporation | 61906 |
7 |
| Resonac Hard Disk Corporation | 194 |
7 |
| Huawei Technologies Co., Ltd. | 117973 |
5 |
| FUJIFILM Corporation | 30016 |
4 |
| Marvell International Ltd. | 1141 |
4 |
| Amazon Technologies, Inc. | 27474 |
4 |
| TDK Corporation | 6775 |
3 |
| STMicroelectronics S.r.l. | 3416 |
3 |
| Marvell World Trade Ltd. | 931 |
3 |
| Agency for Science, Technology and Research | 3669 |
3 |
| Other owners | 60 |