Patent holdings for IPC class G11B 33/02

Total number of patents in this class: 619

10-year publication summary

76
80
49
41
38
40
32
32
20
11
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
JPMorgan Chase Bank, National Association
8683
44
Toshiba Corporation
12687
42
Seagate Technology LLC
3975
41
Toshiba Electronic Devices & Storage Corporation
2288
35
Nidec Corporation
2784
16
Quanta Computer Inc.
1422
14
Hewlett Packard Enterprise Development LP
10932
13
International Business Machines Corporation
62325
12
Hewlett-Packard Development Company, L.P.
25317
12
Mitsubishi Electric Corporation
47722
11
Wistron Corporation
2412
11
Panasonic Corporation
19386
10
NHK Spring Co., Ltd.
1950
10
Sony Interactive Entertainment Inc.
6332
9
Fulian Precision Electronics (Tianjin) Co., Ltd.
554
9
Samsung Electronics Co., Ltd.
155224
8
Panasonic Intellectual Property Management Co., Ltd.
33812
8
Dell Products L.P.
16476
8
Utility Associates, Inc.
51
8
Fujitsu Limited
16991
7
Other owners 291