Patent holdings for IPC class G11B 33/02

Total number of patents in this class: 620

10-year publication summary

76
80
49
41
38
40
32
32
20
15
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
8956
44
Toshiba Corporation
12560
42
Seagate Technology LLC
3960
40
Toshiba Electronic Devices & Storage Corporation
2322
35
Nidec Corporation
2817
16
Quanta Computer Inc.
1432
14
Hewlett Packard Enterprise Development LP
11493
13
International Business Machines Corporation
62634
12
Hewlett-Packard Development Company, L.P.
25184
12
Mitsubishi Electric Corporation
48018
11
Wistron Corporation
2430
11
Panasonic Corporation
19019
10
NHK Spring Co., Ltd.
1983
10
Sony Interactive Entertainment Inc.
6429
10
Utility Associates, Inc.
48
9
Fulian Precision Electronics (Tianjin) Co., Ltd.
564
9
Samsung Electronics Co., Ltd.
157719
8
Panasonic Intellectual Property Management Co., Ltd.
33997
8
Dell Products L.P.
17017
8
Western Digital Technologies, Inc.
1893
8
Other owners 290