Patent holdings for IPC class H04N 21/4627

Total number of patents in this class: 1186

10-year publication summary

25
52
81
135
150
230
196
162
124
84
2011 2012 2013 2014 2015 2016 2017 2018 2019 2020

Principal owners for this class

Owner
All patents
This class
Sony Corporation
44071
54
DISH Technologies L.L.C.
1376
43
Broadband Itv, Inc.
77
39
AT&T Intellectual Property I, L.P.
10648
36
Nagravision S.A.
786
32
Time Warner Cable Enterprises LLC
976
31
Intel Corporation
47429
29
Google LLC
30936
26
Maxell, Ltd.
1679
26
Rovi Guides, Inc.
1894
25
The DIRECTV Group, Inc.
1106
22
Samsung Electronics Co., Ltd.
106070
19
Comcast Cable Communications, LLC
2479
18
Sonos, Inc.
1347
18
Avago Technologies International Sales Pte. Limited
12342
18
LG Electronics Inc.
60278
16
Microsoft Technology Licensing, LLC
47885
14
Disney Enterprises, Inc.
5461
13
Sling Media L.L.C.
187
12
Adobe Inc.
5464
12
Other owners 683