- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 5/55 - Track change, selection, or acquisition by displacement of the head
Patent holdings for IPC class G11B 5/55
Total number of patents in this class: 873
10-year publication summary
|
41
|
70
|
60
|
80
|
79
|
53
|
51
|
39
|
55
|
12
|
| 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 | 8647 |
173 |
| Toshiba Corporation | 12684 |
126 |
| Seagate Technology LLC | 3982 |
96 |
| Toshiba Electronic Devices & Storage Corporation | 2237 |
96 |
| International Business Machines Corporation | 62076 |
59 |
| Magnecomp Corporation | 202 |
40 |
| NHK Spring Co., Ltd. | 1933 |
27 |
| Hutchinson Technology Incorporated | 308 |
26 |
| FUJIFILM Corporation | 30137 |
19 |
| Western Digital Technologies, Inc. | 1808 |
17 |
| Avago Technologies International Sales Pte. Limited | 8625 |
15 |
| JPMorgan Chase Bank, N.A., AS The Agent | 2657 |
12 |
| Marvell Asia PTE, Ltd. | 6374 |
10 |
| Oracle International Corporation | 13387 |
9 |
| Suncall Corporation | 195 |
9 |
| SAE Magnetics (H.K.) Ltd. | 317 |
8 |
| Intri-plex Technologies, Inc. | 35 |
7 |
| Dell Products L.P. | 16004 |
6 |
| Saint-Gobain Performance Plastics Rencol Limited | 91 |
6 |
| Minebea Mitsumi Inc. | 1858 |
6 |
| Other owners | 106 |