- 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: 786
10-year publication summary
|
90
|
58
|
41
|
70
|
60
|
80
|
79
|
52
|
45
|
16
|
| 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 |
170 |
| Seagate Technology LLC | 4228 |
106 |
| Toshiba Corporation | 12017 |
99 |
| Toshiba Electronic Devices & Storage Corporation | 1602 |
67 |
| International Business Machines Corporation | 60644 |
53 |
| Magnecomp Corporation | 197 |
36 |
| Hutchinson Technology Incorporated | 310 |
26 |
| NHK Spring Co., Ltd. | 1657 |
25 |
| FUJIFILM Corporation | 27102 |
12 |
| Western Digital Technologies, Inc. | 1043 |
12 |
| Oracle International Corporation | 12313 |
9 |
| Suncall Corporation | 166 |
9 |
| Marvell Asia PTE, Ltd. | 6841 |
9 |
| SAE Magnetics (H.K.) Ltd. | 355 |
8 |
| Intri-plex Technologies, Inc. | 39 |
7 |
| Dell Products L.P. | 11144 |
6 |
| Saint-Gobain Performance Plastics Rencol Limited | 92 |
6 |
| Minebea Mitsumi Inc. | 1461 |
6 |
| Cavium International | 5549 |
6 |
| Oracle America, Inc. | 3928 |
5 |
| Other owners | 109 |