Patent holdings for IPC class G11B 19/02

Total number of patents in this class: 282

10-year publication summary

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

Principal owners for this class

Owner
All patents
This class
Sonos, Inc.
2613
39
JPMorgan Chase Bank, National Association
8558
18
Maxell, Ltd.
2797
10
Samsung Electronics Co., Ltd.
146092
8
Toshiba Corporation
12336
7
Sony Corporation
31052
6
International Business Machines Corporation
61228
6
Panasonic Corporation
20110
6
Apple Inc.
54844
5
Hewlett-Packard Development Company, L.P.
25895
5
LG Electronics Inc.
73021
4
Canon Inc.
39888
4
Koninklijke Philips Electronics N.V.
9658
4
Microsoft Technology Licensing, LLC
53720
4
Digital Ally, Inc.
96
4
le Holdings (Beijing) Co., Ltd.
1505
4
Maxell Holdings, Ltd.
1314
4
InterDigital CE Patent Holdings
710
4
Adeia Media Holdings LLC
605
4
Oracle America, Inc.
3113
3
Other owners 133