- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 5/80 - Card carriers
Patent holdings for IPC class G11B 5/80
Total number of patents in this class: 11
10-year publication summary
|
1
|
0
|
1
|
0
|
3
|
1
|
0
|
1
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DIC Corporation | 3597 |
3 |
| Dainippon Ink and Chemicals, Inc. | 77 |
2 |
| Nidec Sankyo Corporation | 1117 |
2 |
| Sony Corporation | 32931 |
1 |
| Oki Electric Industry Co., Ltd. | 1652 |
1 |
| Banks and Acquirers International Holding | 509 |
1 |
| Resonac Corporation | 2233 |
1 |
| Other owners | 0 |