- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 5/147 - Structure or manufacture of heads, e.g. inductive with cores being composed of metal sheets, i.e. laminated cores
Patent holdings for IPC class G11B 5/147
Total number of patents in this class: 181
10-year publication summary
|
7
|
8
|
9
|
5
|
6
|
0
|
0
|
0
|
3
|
1
|
| 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 | 8949 |
51 |
| Headway Technologies, Inc. | 688 |
40 |
| SAE Magnetics (H.K.) Ltd. | 315 |
20 |
| Seagate Technology LLC | 3963 |
18 |
| TDK Corporation | 6855 |
17 |
| Toshiba Corporation | 12548 |
12 |
| International Business Machines Corporation | 62621 |
7 |
| Techreco Company, Ltd. | 5 |
3 |
| Intel Corporation | 47102 |
1 |
| Micron Technology, Inc. | 27626 |
1 |
| Hitachi, Ltd. | 16071 |
1 |
| Western Digital Technologies, Inc. | 1822 |
1 |
| National Institute of Advanced Industrial Science and Technology | 3790 |
1 |
| Agency for Science, Technology and Research | 3729 |
1 |
| Hutchinson Technology Incorporated | 303 |
1 |
| Magnecomp Corporation | 201 |
1 |
| SAE Technologies Development (Dongguan) Co., Ltd. | 2 |
1 |
| Technische Universitat Wien | 400 |
1 |
| Toshiba Electronic Devices & Storage Corporation | 2318 |
1 |
| JPMorgan Chase Bank, N.A., AS The Agent | 2695 |
1 |
| Other owners | 1 |