- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 5/17 - Construction or disposition of windings
Patent holdings for IPC class G11B 5/17
Total number of patents in this class: 151
10-year publication summary
|
21
|
9
|
10
|
5
|
2
|
6
|
3
|
0
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Headway Technologies, Inc. | 688 |
37 |
| JPMorgan Chase Bank, National Association | 8949 |
26 |
| Seagate Technology LLC | 3963 |
25 |
| SAE Magnetics (H.K.) Ltd. | 315 |
14 |
| Toshiba Corporation | 12548 |
11 |
| TDK Corporation | 6855 |
9 |
| International Business Machines Corporation | 62621 |
6 |
| Sony Group Corporation | 15597 |
4 |
| Nidec Sankyo Corporation | 1054 |
3 |
| Intel Corporation | 47102 |
2 |
| Techreco Company, Ltd. | 5 |
2 |
| Hitachi, Ltd. | 16071 |
1 |
| FUJIFILM Corporation | 30512 |
1 |
| Samsung Electro-mechanics Co., Ltd. | 6073 |
1 |
| Marvell International Ltd. | 1108 |
1 |
| Data Security, Inc. | 23 |
1 |
| EMC IP Holding Company LLC | 10636 |
1 |
| Gula Consulting Limited Liability Company | 217 |
1 |
| National Tsing Hua University | 1258 |
1 |
| Toshiba Electronic Devices & Storage Corporation | 2318 |
1 |
| Other owners | 3 |