Patent holdings for IPC class G11B 19/02

Total number of patents in this class: 292

10-year publication summary

30
28
13
21
8
12
7
9
8
4
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Sonos, Inc.
2462
39
JPMorgan Chase Bank, National Association
8416
18
Samsung Electronics Co., Ltd.
139001
9
Maxell, Ltd.
2659
9
Toshiba Corporation
12051
7
Panasonic Corporation
20315
7
Koninklijke Philips Electronics N.V.
10844
7
Sony Corporation
31541
6
International Business Machines Corporation
60129
6
Apple Inc.
52750
5
Hewlett-Packard Development Company, L.P.
27461
5
LG Electronics Inc.
71039
4
Canon Inc.
38148
4
Microsoft Technology Licensing, LLC
52886
4
Digital Ally, Inc.
92
4
le Holdings (Beijing) Co., Ltd.
1505
4
Maxell Holdings, Ltd.
1359
4
InterDigital CE Patent Holdings
743
4
Adeia Media Holdings LLC
526
4
Oracle America, Inc.
3434
3
Other owners 139