Patent holdings for IPC class G11B 5/80

Total number of patents in this class: 11

10-year publication summary

1
0
3
1
0
1
2
0
0
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
DIC Corporation
3995
3
Nidec Sankyo Corporation
1050
2
Banks and Acquirers International Holding
637
2
Sony Corporation
30052
1
Oki Electric Industry Co., Ltd.
1573
1
Imperial College Innovations Limited
695
1
Resonac Hard Disk Corporation
207
1
Other owners 0