Patent holdings for IPC class G11B 21/18

Total number of patents in this class: 7

10-year publication summary

0
0
0
0
0
1
0
1
1
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Magnecomp Corporation
198
2
Toshiba Corporation
12104
1
JPMorgan Chase Bank, National Association
8445
1
Hutchinson Technology Incorporated
311
1
Tandberg Data Corp.
11
1
Toshiba Electronic Devices & Storage Corporation
1822
1
Other owners 0