- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 5/70 - Record carriers characterised by the selection of the material comprising one or more layers of magnetisable particles homogeneously mixed with a bonding agent on a base layer
Patent holdings for IPC class G11B 5/70
Total number of patents in this class: 324
10-year publication summary
|
25
|
37
|
29
|
25
|
38
|
33
|
33
|
29
|
24
|
19
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30849 |
183 |
| Sony Group Corporation | 16259 |
74 |
| Sony Corporation | 29876 |
41 |
| International Business Machines Corporation | 62871 |
3 |
| Maxell, Ltd. | 3108 |
3 |
| Resonac Hard Disk Corporation | 208 |
3 |
| Seagate Technology LLC | 3974 |
2 |
| JPMorgan Chase Bank, National Association | 8977 |
2 |
| Resonac Corporation | 3781 |
2 |
| Toshiba Corporation | 12754 |
1 |
| Intel Corporation | 46342 |
1 |
| Hitachi Maxell, Ltd. | 416 |
1 |
| Konica Minolta Holdings, Inc. | 754 |
1 |
| Showa Denko K.K. | 2047 |
1 |
| National Institute of Advanced Industrial Science and Technology | 3789 |
1 |
| The Furukawa Electric Co., Ltd. | 3728 |
1 |
| IBM United Kingdom Limited | 4036 |
1 |
| National Institute for Materials Science | 1092 |
1 |
| Toyobo Co., Ltd. | 2570 |
1 |
| IBM (China) Investment Co Ltd | 2062 |
1 |
| Other owners | 0 |