- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 5/245 - Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to, the recording mediumPole piecesGap features comprising means for controlling the reluctance of the magnetic circuit
Patent holdings for IPC class G11B 5/245
Total number of patents in this class: 18
10-year publication summary
|
1
|
1
|
1
|
1
|
6
|
4
|
1
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toshiba Corporation | 12677 |
4 |
| JPMorgan Chase Bank, National Association | 8652 |
4 |
| Toshiba Electronic Devices & Storage Corporation | 2268 |
4 |
| Seagate Technology LLC | 3989 |
3 |
| Headway Technologies, Inc. | 682 |
2 |
| TDK Corporation | 6794 |
1 |
| Other owners | 0 |