- 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: 137
10-year publication summary
|
20
|
7
|
16
|
13
|
8
|
6
|
10
|
8
|
7
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seagate Technology LLC | 4228 |
17 |
| JPMorgan Chase Bank, National Association | 10964 |
15 |
| Resonac Corporation | 2233 |
12 |
| Fuji Electric Co., Ltd. | 4750 |
9 |
| Hoya Corporation | 2822 |
8 |
| International Business Machines Corporation | 60644 |
7 |
| Showa Denko K.K. | 2539 |
7 |
| WD Media (Singapore) Pte. Ltd. | 28 |
7 |
| FUJIFILM Corporation | 27102 |
5 |
| National University of Singapore | 2228 |
5 |
| Intevac, Inc. | 127 |
4 |
| Hoya Magnetics Singapore Pte. Ltd. | 18 |
4 |
| Sony Corporation | 32931 |
2 |
| Western Digital Technologies, Inc. | 1043 |
2 |
| DIC Corporation | 3597 |
2 |
| Nanyang Technological University | 1739 |
2 |
| Youtec Co., Ltd. | 57 |
2 |
| Advanced Material Technologies, Inc. | 14 |
2 |
| Hoya Lamphun Ltd. | 11 |
2 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
2 |
| Other owners | 21 |