Patent holdings for IPC class G11B 33/08

Total number of patents in this class: 287

10-year publication summary

26
23
34
25
15
23
17
12
11
3
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
JPMorgan Chase Bank, National Association
8558
34
Toshiba Corporation
12336
17
Seagate Technology LLC
3966
15
Toshiba Electronic Devices & Storage Corporation
1966
13
Western Digital Technologies, Inc.
1761
11
Dell Products L.P.
14479
9
International Business Machines Corporation
61228
8
Apple Inc.
54844
7
Amazon Technologies, Inc.
26677
6
NEC Corporation
35652
5
Hewlett-Packard Development Company, L.P.
25895
5
NHK Spring Co., Ltd.
1861
5
Quanta Computer Inc.
1354
5
Streamax Technology Co., Ltd
156
5
Resonac Hard Disk Corporation
178
5
Nidec Corporation
2662
4
Shenzhen Excelstor Technology Ltd.
20
4
Hitachi, Ltd.
15484
3
Huawei Technologies Co., Ltd.
112438
3
Panasonic Intellectual Property Management Co., Ltd.
31375
3
Other owners 120