Patent holdings for IPC class G11B 5/60

Total number of patents in this class: 1275

10-year publication summary

103
102
95
94
56
48
40
42
34
5
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Seagate Technology LLC
3983
462
JPMorgan Chase Bank, National Association
8639
287
Headway Technologies, Inc.
685
76
Toshiba Corporation
12608
65
SAE Magnetics (H.K.) Ltd.
318
58
Toshiba Electronic Devices & Storage Corporation
2198
48
TDK Corporation
6787
29
Konica Minolta Opto, Inc.
991
26
Western Digital Technologies, Inc.
1806
16
Avago Technologies International Sales Pte. Limited
8632
15
Hitachi, Ltd.
15846
14
Toshiba Storage Device Corporation
55
14
International Business Machines Corporation
62049
12
Nitto Denko Corporation
8421
12
Seiko Instruments Inc.
460
11
Dai Nippon Printing Co., Ltd.
4179
9
Fujitsu Limited
17265
8
Magnecomp Corporation
202
8
Marvell Asia PTE, Ltd.
6376
8
NHK Spring Co., Ltd.
1933
7
Other owners 90