Patent holdings for IPC class G11B 5/09

Total number of patents in this class: 1426

10-year publication summary

157
106
100
107
70
49
33
16
24
10
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Avago Technologies International Sales Pte. Limited
8829
208
Seagate Technology LLC
3970
194
JPMorgan Chase Bank, National Association
8540
181
Toshiba Corporation
12300
131
Marvell Asia PTE, Ltd.
6561
93
International Business Machines Corporation
61123
85
Cavium International
5078
82
Toshiba Electronic Devices & Storage Corporation
1926
58
FUJIFILM Corporation
29251
28
Nidec Sankyo Corporation
1084
28
Texas Instruments Incorporated
19482
23
Winview IP Holdings, LLC
116
15
Sony Corporation
31138
14
Marvell International Ltd.
1183
12
Samsung Electronics Co., Ltd.
144426
11
SK hynix memory solutions inc.
163
9
Fujitsu Limited
18362
8
Sony Group Corporation
13560
8
Oracle International Corporation
12907
7
Alter Domus (US) LLC, AS Agent for The Secured Parties
213
7
Other owners 224