- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 5/11 - Shielding of head against electric or magnetic fields
Patent holdings for IPC class G11B 5/11
Total number of patents in this class: 345
10-year publication summary
|
30
|
16
|
18
|
35
|
19
|
19
|
14
|
23
|
7
|
10
|
| 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 | 8975 |
105 |
| Seagate Technology LLC | 3964 |
75 |
| Headway Technologies, Inc. | 680 |
72 |
| Toshiba Corporation | 12660 |
30 |
| TDK Corporation | 6960 |
17 |
| International Business Machines Corporation | 62769 |
15 |
| SAE Magnetics (H.K.) Ltd. | 311 |
9 |
| Toshiba Electronic Devices & Storage Corporation | 2383 |
9 |
| Western Digital Technologies, Inc. | 1906 |
3 |
| JPMorgan Chase Bank, N.A., AS The Agent | 2695 |
2 |
| Samsung Electronics Co., Ltd. | 158842 |
1 |
| SK Hynix Inc. | 12640 |
1 |
| Hewlett Packard Enterprise Development LP | 11529 |
1 |
| Hitachi-Omron Terminal Solutions, Corp. | 192 |
1 |
| IBM United Kingdom Limited | 4045 |
1 |
| IBM China Company Limited | 1259 |
1 |
| PHC Holdings Corporation | 708 |
1 |
| IBM Israel-science and Technology Ltd | 195 |
1 |
| Other owners | 0 |