- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 5/00 - Recording by magnetisation or demagnetisation of a record carrierReproducing by magnetic meansRecord carriers therefor
Patent holdings for IPC class G11B 5/00
Total number of patents in this class: 1831
10-year publication summary
|
169
|
154
|
139
|
136
|
125
|
97
|
78
|
101
|
105
|
49
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seagate Technology LLC | 3963 |
640 |
| JPMorgan Chase Bank, National Association | 8949 |
360 |
| Toshiba Corporation | 12548 |
156 |
| Headway Technologies, Inc. | 688 |
116 |
| Toshiba Electronic Devices & Storage Corporation | 2318 |
100 |
| SAE Magnetics (H.K.) Ltd. | 315 |
50 |
| Western Digital Technologies, Inc. | 1822 |
49 |
| Avago Technologies International Sales Pte. Limited | 8564 |
42 |
| TDK Corporation | 6855 |
30 |
| JPMorgan Chase Bank, N.A., AS The Agent | 2695 |
29 |
| Resonac Hard Disk Corporation | 207 |
24 |
| International Business Machines Corporation | 62621 |
20 |
| FUJIFILM Corporation | 30512 |
17 |
| Marvell Asia PTE, Ltd. | 6313 |
14 |
| Samsung Electronics Co., Ltd. | 157557 |
7 |
| Magnecomp Corporation | 201 |
7 |
| Hitachi, Ltd. | 16071 |
6 |
| Rohm Co., Ltd. | 6824 |
6 |
| Agency for Science, Technology and Research | 3729 |
5 |
| Carnegie Mellon University | 1619 |
4 |
| Other owners | 149 |