- 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: 824
10-year publication summary
|
58
|
57
|
71
|
75
|
50
|
75
|
45
|
29
|
39
|
25
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toshiba Corporation | 12726 |
189 |
| Toshiba Electronic Devices & Storage Corporation | 2432 |
148 |
| Seagate Technology LLC | 3967 |
144 |
| JPMorgan Chase Bank, National Association | 8978 |
108 |
| Avago Technologies International Sales Pte. Limited | 8539 |
53 |
| Marvell Asia PTE, Ltd. | 6251 |
23 |
| Headway Technologies, Inc. | 680 |
19 |
| Cavium International | 4563 |
13 |
| Western Digital Technologies, Inc. | 1912 |
11 |
| JPMorgan Chase Bank, N.A., AS The Agent | 2695 |
11 |
| International Business Machines Corporation | 62805 |
7 |
| Resonac Hard Disk Corporation | 207 |
7 |
| Huawei Technologies Co., Ltd. | 124837 |
5 |
| FUJIFILM Corporation | 30689 |
4 |
| Marvell International Ltd. | 1045 |
4 |
| Amazon Technologies, Inc. | 28264 |
4 |
| TDK Corporation | 6992 |
3 |
| STMicroelectronics S.r.l. | 3367 |
3 |
| Marvell World Trade Ltd. | 878 |
3 |
| Agency for Science, Technology and Research | 3765 |
3 |
| Other owners | 62 |