- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 5/725 - Protective coatings, e.g. anti-static containing a lubricant
Patent holdings for IPC class G11B 5/725
Total number of patents in this class: 248
10-year publication summary
|
23
|
14
|
32
|
28
|
17
|
17
|
20
|
28
|
20
|
11
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Resonac Corporation | 2233 |
50 |
| Showa Denko K.K. | 2539 |
39 |
| Moresco Corporation | 151 |
31 |
| JPMorgan Chase Bank, National Association | 10964 |
27 |
| Dexerials Corporation | 1826 |
16 |
| Seagate Technology LLC | 4228 |
11 |
| WD Media (Singapore) Pte. Ltd. | 28 |
9 |
| FUJIFILM Corporation | 27102 |
7 |
| Hoya Corporation | 2822 |
7 |
| Solvay Specialty Polymers Italy S.p.A. | 704 |
7 |
| E. I. du Pont de Nemours and Company | 4345 |
5 |
| Fuji Electric Co., Ltd. | 4750 |
5 |
| Sony Corporation | 32931 |
4 |
| Western Digital Technologies, Inc. | 1043 |
4 |
| Matsumura Oil Research Corp. | 4 |
3 |
| International Business Machines Corporation | 60644 |
2 |
| Fujitsu Limited | 19265 |
2 |
| Hitachi, Ltd. | 16452 |
2 |
| Asahi Glass Company, Limited | 2985 |
2 |
| Advanced Material Technologies, Inc. | 14 |
2 |
| Other owners | 13 |