Patent holdings for IPC class G11B 20/10

Total number of patents in this class: 3813

10-year publication summary

377
350
292
256
242
167
135
137
74
21
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Sony Corporation
32931
314
Pioneer Corporation
4843
243
Panasonic Corporation
20786
203
Samsung Electronics Co., Ltd.
131630
168
Seagate Technology LLC
4228
166
Matsushita Electric Industrial Co., Ltd.
4724
153
LG Electronics Inc.
69257
132
Avago Technologies International Sales Pte. Limited
9260
131
International Business Machines Corporation
60644
102
JPMorgan Chase Bank, National Association
10964
93
Panasonic Intellectual Property Management Co., Ltd.
27812
78
Mitsubishi Electric Corporation
43934
77
Toshiba Corporation
12017
75
Sharp Kabushiki Kaisha
18957
65
Sonos, Inc.
2274
60
Panasonic Intellectual Property Corporation of America
7230
58
Marvell Asia PTE, Ltd.
6841
52
Cavium International
5549
43
FUJIFILM Corporation
27102
42
Koninklijke Philips Electronics N.V.
13133
41
Other owners 1517