- 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: 1702
10-year publication summary
|
170
|
169
|
154
|
139
|
136
|
125
|
96
|
74
|
93
|
50
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seagate Technology LLC | 3966 |
623 |
| JPMorgan Chase Bank, National Association | 8558 |
355 |
| Toshiba Corporation | 12336 |
139 |
| Headway Technologies, Inc. | 694 |
96 |
| Toshiba Electronic Devices & Storage Corporation | 1966 |
83 |
| SAE Magnetics (H.K.) Ltd. | 329 |
46 |
| Avago Technologies International Sales Pte. Limited | 8767 |
39 |
| TDK Corporation | 6738 |
32 |
| Western Digital Technologies, Inc. | 1761 |
31 |
| Resonac Hard Disk Corporation | 178 |
22 |
| International Business Machines Corporation | 61228 |
18 |
| FUJIFILM Corporation | 29367 |
16 |
| Marvell Asia PTE, Ltd. | 6545 |
12 |
| JPMorgan Chase Bank, N.A., AS The Agent | 2516 |
11 |
| Samsung Electronics Co., Ltd. | 146092 |
7 |
| Hitachi, Ltd. | 15484 |
6 |
| Rohm Co., Ltd. | 6450 |
6 |
| Magnecomp Corporation | 201 |
6 |
| Agency for Science, Technology and Research | 3620 |
5 |
| Micron Technology, Inc. | 26262 |
4 |
| Other owners | 145 |