Patent holdings for IPC class G11B 33/02

Total number of patents in this class: 614

10-year publication summary

75
80
49
41
38
40
32
33
20
7
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
8647
44
Seagate Technology LLC
3982
41
Toshiba Corporation
12684
40
Toshiba Electronic Devices & Storage Corporation
2237
33
Nidec Corporation
2744
16
Quanta Computer Inc.
1409
14
Hewlett Packard Enterprise Development LP
10817
13
International Business Machines Corporation
62076
12
Hewlett-Packard Development Company, L.P.
25419
12
Mitsubishi Electric Corporation
47461
11
Wistron Corporation
2388
11
Panasonic Corporation
19843
10
NHK Spring Co., Ltd.
1933
9
Sony Interactive Entertainment Inc.
6192
9
Fulian Precision Electronics (Tianjin) Co., Ltd.
547
9
Samsung Electronics Co., Ltd.
152534
8
Panasonic Intellectual Property Management Co., Ltd.
33202
8
Dell Products L.P.
16004
8
Utility Associates, Inc.
51
8
Fujitsu Limited
17247
7
Other owners 291