- 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: 1801
10-year publication summary
|
169
|
154
|
139
|
136
|
125
|
97
|
78
|
100
|
104
|
23
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seagate Technology LLC | 3985 |
633 |
| JPMorgan Chase Bank, National Association | 8630 |
360 |
| Toshiba Corporation | 12578 |
153 |
| Headway Technologies, Inc. | 685 |
110 |
| Toshiba Electronic Devices & Storage Corporation | 2182 |
97 |
| SAE Magnetics (H.K.) Ltd. | 319 |
50 |
| Western Digital Technologies, Inc. | 1801 |
46 |
| Avago Technologies International Sales Pte. Limited | 8636 |
42 |
| TDK Corporation | 6784 |
31 |
| JPMorgan Chase Bank, N.A., AS The Agent | 2657 |
27 |
| Resonac Hard Disk Corporation | 196 |
23 |
| International Business Machines Corporation | 62002 |
19 |
| FUJIFILM Corporation | 30106 |
16 |
| Marvell Asia PTE, Ltd. | 6386 |
14 |
| Samsung Electronics Co., Ltd. | 152016 |
7 |
| Magnecomp Corporation | 202 |
7 |
| Hitachi, Ltd. | 15835 |
6 |
| Rohm Co., Ltd. | 6695 |
6 |
| Agency for Science, Technology and Research | 3679 |
5 |
| Carnegie Mellon University | 1597 |
4 |
| Other owners | 145 |