- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 5/72 - Protective coatings, e.g. anti-static
Patent holdings for IPC class G11B 5/72
Total number of patents in this class: 135
10-year publication summary
|
7
|
16
|
13
|
8
|
6
|
10
|
8
|
6
|
4
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seagate Technology LLC | 3966 |
17 |
| JPMorgan Chase Bank, National Association | 8558 |
13 |
| Hoya Corporation | 2745 |
9 |
| Fuji Electric Co., Ltd. | 5140 |
9 |
| Resonac Hard Disk Corporation | 178 |
9 |
| International Business Machines Corporation | 61228 |
7 |
| WD Media (Singapore) Pte. Ltd. | 28 |
7 |
| FUJIFILM Corporation | 29367 |
5 |
| National University of Singapore | 2449 |
5 |
| Resonac Corporation | 2800 |
5 |
| Showa Denko K.K. | 2230 |
4 |
| Intevac, Inc. | 136 |
4 |
| Hoya Magnetics Singapore Pte. Ltd. | 18 |
4 |
| Sony Group Corporation | 13815 |
3 |
| Sony Corporation | 31052 |
2 |
| Western Digital Technologies, Inc. | 1761 |
2 |
| DIC Corporation | 3794 |
2 |
| Nanyang Technological University | 2006 |
2 |
| Youtec Co., Ltd. | 47 |
2 |
| Advanced Material Technologies, Inc. | 13 |
2 |
| Other owners | 22 |