Patent holdings for IPC class H04N 21/6587

Total number of patents in this class: 1544

10-year publication summary

192
177
185
222
194
163
142
129
92
29
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Rovi Guides, Inc.
3236
97
Google LLC
38759
60
Sony Interactive Entertainment LLC
1946
48
Comcast Cable Communications, LLC
4075
47
AT&T Intellectual Property I, L.P.
9886
38
DivX, LLC
274
35
DISH Technologies L.L.C.
1666
34
Samsung Electronics Co., Ltd.
131630
31
Turner Broadcasting System, Inc.
276
30
ARRIS Enterprises LLC
3432
30
Nokia Technologies Oy
15057
29
Time Warner Cable Enterprises LLC
945
27
Sony Corporation
32931
26
Apple Inc.
50209
22
Verizon Patent And Licensing Inc.
6900
20
DIRECTV, LLC
812
20
Koninklijke KPN N.V.
742
20
Huawei Technologies Co., Ltd.
100781
19
Microsoft Technology Licensing, LLC
51439
19
Sonos, Inc.
2274
18
Other owners 874