- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 5/733 - Base layers characterised by the addition of non-magnetic particles
Patent holdings for IPC class G11B 5/733
Total number of patents in this class: 70
10-year publication summary
|
1
|
8
|
7
|
2
|
4
|
21
|
16
|
4
|
9
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 27102 |
39 |
| Sony Corporation | 32931 |
18 |
| Seagate Technology LLC | 4228 |
2 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
2 |
| International Business Machines Corporation | 60644 |
1 |
| Toshiba Corporation | 12017 |
1 |
| Konica Minolta Opto, Inc. | 1179 |
1 |
| JPMorgan Chase Bank, National Association | 10964 |
1 |
| JX Nippon Mining & Metals Corporation | 1576 |
1 |
| Teijin DuPont Films Japan Limited | 68 |
1 |
| Maxell, Ltd. | 2533 |
1 |
| Sony Group Corporation | 10730 |
1 |
| Resonac Corporation | 2233 |
1 |
| Other owners | 0 |