Patent holdings for IPC class G11B 19/02

Total number of patents in this class: 315

10-year publication summary

39
30
28
13
21
8
12
6
9
4
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Sonos, Inc.
2274
35
JPMorgan Chase Bank, National Association
10964
18
Koninklijke Philips Electronics N.V.
13133
12
Samsung Electronics Co., Ltd.
131630
10
LG Electronics Inc.
69257
9
Maxell, Ltd.
2533
8
Sony Corporation
32931
7
Toshiba Corporation
12017
7
Panasonic Corporation
20786
7
Apple Inc.
50209
6
International Business Machines Corporation
60644
6
Microsoft Technology Licensing, LLC
51439
6
Hewlett-Packard Development Company, L.P.
28538
5
InterDigital CE Patent Holdings
810
5
InterDigital CE Patent Holdings, SAS
1017
5
Canon Inc.
36841
4
Hewlett Packard Enterprise Development LP
10702
4
le Holdings (Beijing) Co., Ltd.
1505
4
Spectra Logic Corporation
157
4
TiVo Corporation
462
4
Other owners 149