Patent holdings for IPC class G11B 5/60

Total number of patents in this class: 1258

10-year publication summary

147
103
102
95
94
56
48
40
42
22
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Seagate Technology LLC
3969
461
JPMorgan Chase Bank, National Association
8565
286
Headway Technologies, Inc.
693
73
SAE Magnetics (H.K.) Ltd.
328
60
Toshiba Corporation
12367
57
Toshiba Electronic Devices & Storage Corporation
1982
40
TDK Corporation
6761
31
Konica Minolta Opto, Inc.
1073
26
Hitachi, Ltd.
15513
14
Western Digital Technologies, Inc.
1755
14
Toshiba Storage Device Corporation
55
14
Avago Technologies International Sales Pte. Limited
8748
14
Nitto Denko Corporation
8253
13
International Business Machines Corporation
61305
12
Seiko Instruments Inc.
498
11
Fujitsu Limited
18402
9
Dai Nippon Printing Co., Ltd.
4091
9
Magnecomp Corporation
201
8
Marvell Asia PTE, Ltd.
6530
8
NHK Spring Co., Ltd.
1870
7
Other owners 91