- 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: 143
10-year publication summary
|
16
|
13
|
8
|
6
|
10
|
8
|
6
|
4
|
4
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seagate Technology LLC | 3967 |
17 |
| JPMorgan Chase Bank, National Association | 8978 |
12 |
| Resonac Hard Disk Corporation | 207 |
10 |
| Fuji Electric Co., Ltd. | 5533 |
9 |
| Resonac Corporation | 3672 |
9 |
| Hoya Corporation | 2688 |
8 |
| International Business Machines Corporation | 62805 |
7 |
| WD Media (Singapore) Pte. Ltd. | 28 |
7 |
| FUJIFILM Corporation | 30689 |
6 |
| Western Digital Technologies, Inc. | 1912 |
5 |
| National University of Singapore | 2605 |
5 |
| Showa Denko K.K. | 2059 |
4 |
| Intevac, Inc. | 128 |
4 |
| Sony Group Corporation | 15978 |
4 |
| Hoya Magnetics Singapore Pte. Ltd. | 10 |
3 |
| Sony Corporation | 30052 |
2 |
| DIC Corporation | 3995 |
2 |
| Nanyang Technological University | 2239 |
2 |
| Youtec Co., Ltd. | 41 |
2 |
| Advanced Material Technologies, Inc. | 12 |
2 |
| Other owners | 23 |