- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 5/71 - 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 lubricant
Patent holdings for IPC class G11B 5/71
Total number of patents in this class: 105
10-year publication summary
|
0
|
7
|
12
|
13
|
19
|
10
|
17
|
8
|
8
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 27102 |
68 |
| Sony Corporation | 32931 |
11 |
| Sony Group Corporation | 10730 |
10 |
| Seagate Technology LLC | 4228 |
3 |
| International Business Machines Corporation | 60644 |
2 |
| Hoya Corporation | 2822 |
2 |
| Solvay Specialty Polymers Italy S.p.A. | 704 |
2 |
| Resonac Corporation | 2233 |
2 |
| Matsushita Electric Industrial Co., Ltd. | 4724 |
1 |
| Toray Industries, Inc. | 6652 |
1 |
| JPMorgan Chase Bank, National Association | 10964 |
1 |
| Dexerials Corporation | 1826 |
1 |
| FujiFilm Hunt Smart Surfaces, LLC | 2 |
1 |
| Other owners | 0 |