Patent holdings for IPC class G11B 20/10

Total number of patents in this class: 3232

10-year publication summary

343
290
253
239
166
133
135
75
78
51
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Sony Corporation
30885
234
Panasonic Corporation
20007
199
Avago Technologies International Sales Pte. Limited
8691
172
Samsung Electronics Co., Ltd.
148402
138
Pioneer Corporation
4208
130
Seagate Technology LLC
3973
118
JPMorgan Chase Bank, National Association
8614
94
International Business Machines Corporation
61636
88
Toshiba Corporation
12520
88
Panasonic Intellectual Property Management Co., Ltd.
32199
79
LG Electronics Inc.
73790
76
Mitsubishi Electric Corporation
46734
62
Panasonic Intellectual Property Corporation of America
6887
58
Sonos, Inc.
2678
57
Sharp Kabushiki Kaisha
18676
57
Marvell Asia PTE, Ltd.
6434
56
Toshiba Electronic Devices & Storage Corporation
2076
51
FUJIFILM Corporation
29728
44
Cavium International
4942
41
Hitachi Consumer Electronics Co., Ltd.
283
33
Other owners 1357