- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 5/712 - 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 characterised by the surface treatment or coating of magnetic particles
Patent holdings for IPC class G11B 5/712
Total number of patents in this class: 109
10-year publication summary
|
8
|
21
|
22
|
14
|
15
|
4
|
3
|
1
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30512 |
57 |
| Sony Corporation | 30208 |
19 |
| International Business Machines Corporation | 62621 |
8 |
| Dowa Electronics Materials Co., Ltd. | 636 |
5 |
| Sony Group Corporation | 15597 |
4 |
| JPMorgan Chase Bank, National Association | 8949 |
2 |
| National University of Singapore | 2582 |
2 |
| Seagate Technology LLC | 3963 |
1 |
| Konica Minolta Holdings, Inc. | 792 |
1 |
| Hoya Corporation | 2719 |
1 |
| Western Digital Technologies, Inc. | 1822 |
1 |
| IBM United Kingdom Limited | 4079 |
1 |
| Tanaka Kikinzoku Kogyo K.K. | 574 |
1 |
| Tohoku University | 2970 |
1 |
| The University of Tokyo | 4352 |
1 |
| Amolifescience Co., Ltd. | 96 |
1 |
| IBM (China) Investment Co Ltd | 2062 |
1 |
| Canon Kabushiki Kaisha | 7307 |
1 |
| JPMorgan Chase Bank, N.A., AS The Agent | 2695 |
1 |
| Other owners | 0 |