- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 5/54 - Disposition or mounting of heads relative to record carriers with provision for moving the head into, or out of, its operative position or across tracks
Patent holdings for IPC class G11B 5/54
Total number of patents in this class: 294
10-year publication summary
|
18
|
10
|
5
|
9
|
34
|
41
|
34
|
19
|
20
|
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 |
71 |
| Toshiba Corporation | 12017 |
61 |
| Toshiba Electronic Devices & Storage Corporation | 1602 |
56 |
| Seagate Technology LLC | 4228 |
43 |
| Western Digital Technologies, Inc. | 1043 |
5 |
| Hutchinson Technology Incorporated | 310 |
4 |
| Samsung Electronics Co., Ltd. | 131630 |
3 |
| Renesas Electronics Corporation | 6305 |
3 |
| TDK Corporation | 6306 |
3 |
| SAE Magnetics (H.K.) Ltd. | 355 |
3 |
| Magnecomp Corporation | 197 |
3 |
| Marvell Asia PTE, Ltd. | 6841 |
3 |
| International Business Machines Corporation | 60644 |
2 |
| STMicroelectronics S.r.l. | 3693 |
2 |
| Benhov GmbH, LLC | 29 |
2 |
| Gula Consulting Limited Liability Company | 383 |
2 |
| NHK Spring Co., Ltd. | 1657 |
2 |
| Shenzhen Excelstor Technology Ltd. | 20 |
2 |
| Avago Technologies International Sales Pte. Limited | 9260 |
2 |
| Alibaba Group Holding Limited | 7149 |
1 |
| Other owners | 21 |