Patent holdings for IPC class G11B 7/133

Total number of patents in this class: 5

10-year publication summary

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

Principal owners for this class

Owner
All patents
This class
Sony Corporation
30440
4
Panasonic Intellectual Property Management Co., Ltd.
33462
1
Other owners 0