Patent holdings for IPC class H04N 21/488

Total number of patents in this class: 2024

10-year publication summary

64
87
140
264
290
346
299
272
240
163
2011 2012 2013 2014 2015 2016 2017 2018 2019 2020

Principal owners for this class

Owner
All patents
This class
Rovi Guides, Inc.
1894
143
LG Electronics Inc.
60278
128
Sony Corporation
44071
91
AT&T Intellectual Property I, L.P.
10648
88
Samsung Electronics Co., Ltd.
106070
72
Google LLC
30936
66
DISH Technologies L.L.C.
1376
66
Saturn Licensing LLC
1588
56
Flextronics AP, LLC
604
41
International Business Machines Corporation
73714
33
Comcast Cable Communications, LLC
2479
32
Intel Corporation
47429
29
Microsoft Technology Licensing, LLC
47885
29
Tribune Broadcasting Company, LLC
289
29
Verizon Patent And Licensing Inc.
5315
28
ARRIS Enterprises LLC
2744
28
Tencent Technology (Shenzhen) Company Limited
8405
26
The DIRECTV Group, Inc.
1106
25
TiVo Solutions Inc.
323
24
Time Warner Cable Enterprises LLC
976
23
Other owners 967