- 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: 265
10-year publication summary
|
7
|
7
|
25
|
36
|
29
|
25
|
38
|
33
|
31
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 27102 |
161 |
| Sony Corporation | 32931 |
41 |
| Sony Group Corporation | 10730 |
34 |
| Resonac Corporation | 2233 |
4 |
| International Business Machines Corporation | 60644 |
3 |
| JPMorgan Chase Bank, National Association | 10964 |
3 |
| Maxell, Ltd. | 2533 |
3 |
| Intel Corporation | 45621 |
2 |
| Seagate Technology LLC | 4228 |
2 |
| Showa Denko K.K. | 2539 |
2 |
| Toshiba Corporation | 12017 |
1 |
| Hitachi Maxell, Ltd. | 451 |
1 |
| Konica Minolta Holdings, Inc. | 1086 |
1 |
| National Institute of Advanced Industrial Science and Technology | 3677 |
1 |
| The Furukawa Electric Co., Ltd. | 3486 |
1 |
| IBM United Kingdom Limited | 4467 |
1 |
| Lambeth Magnetic Structures, LLC | 1 |
1 |
| National Institute for Materials Science | 1108 |
1 |
| Toyobo Co., Ltd. | 2286 |
1 |
| IBM (China) Investment Co Ltd | 2025 |
1 |
| Other owners | 0 |