Patent holdings for IPC class G11B 5/53

Total number of patents in this class: 33

10-year publication summary

3
1
1
2
2
6
2
7
4
1
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
International Business Machines Corporation
61207
5
Magnecomp Corporation
201
5
Toshiba Corporation
12320
3
FUJIFILM Corporation
29305
3
JPMorgan Chase Bank, National Association
8556
3
Toshiba Electronic Devices & Storage Corporation
1954
3
Oracle International Corporation
12925
2
Seagate Technology LLC
3971
2
Western Digital Technologies, Inc.
1730
2
Tsinghua University
5890
1
Komura-tech Co., Ltd.
11
1
Nidec Corporation
2657
1
Research Institute of Tsinghua University in Shenzhen
41
1
Resonac Hard Disk Corporation
178
1
Other owners 0