- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 5/127 - Structure or manufacture of heads, e.g. inductive
Patent holdings for IPC class G11B 5/127
Total number of patents in this class: 1566
10-year publication summary
|
155
|
133
|
107
|
70
|
65
|
68
|
65
|
54
|
36
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JPMorgan Chase Bank, National Association | 10964 |
403 |
| Headway Technologies, Inc. | 715 |
274 |
| Seagate Technology LLC | 4228 |
220 |
| Toshiba Corporation | 12017 |
139 |
| TDK Corporation | 6306 |
135 |
| SAE Magnetics (H.K.) Ltd. | 355 |
82 |
| Toshiba Electronic Devices & Storage Corporation | 1602 |
52 |
| International Business Machines Corporation | 60644 |
26 |
| Hutchinson Technology Incorporated | 310 |
23 |
| NHK Spring Co., Ltd. | 1657 |
16 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
9 |
| Samsung Electronics Co., Ltd. | 131630 |
7 |
| Sony Corporation | 32931 |
7 |
| FUJIFILM Corporation | 27102 |
7 |
| Resonac Corporation | 2233 |
7 |
| Oracle America, Inc. | 3928 |
6 |
| Western Digital Technologies, Inc. | 1043 |
6 |
| Hitachi, Ltd. | 16452 |
5 |
| Magnecomp Corporation | 197 |
5 |
| Canon Inc. | 36841 |
4 |
| Other owners | 133 |