- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 5/842 - Coating a support with a liquid magnetic dispersion
Patent holdings for IPC class G11B 5/842
Total number of patents in this class: 51
10-year publication summary
|
8
|
7
|
4
|
6
|
6
|
2
|
1
|
1
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 30208 |
16 |
| FUJIFILM Corporation | 30512 |
16 |
| Dowa Electronics Materials Co., Ltd. | 636 |
9 |
| Sony Group Corporation | 15597 |
4 |
| International Business Machines Corporation | 62621 |
2 |
| IdeaPaint, Inc. | 10 |
1 |
| Imation Corp. | 31 |
1 |
| Toda Kogyo Corporation | 327 |
1 |
| SPN International Pte Ltd. | 3 |
1 |
| Other owners | 0 |