Patent holdings for IPC class G11B 3/31

Total number of patents in this class: 4

10-year publication summary

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

Principal owners for this class

Owner
All patents
This class
Commissariat à l'énergie atomique et aux energies alternatives
11128
1
Inmusic Brands, Inc.
201
1
Ogasawara Precision Laboratory Co., Ltd.
4
1
Kronos Audio Products Inc.
3
1
Other owners 0