Patent holdings for IPC class H04N 21/43

Total number of patents in this class: 3911

10-year publication summary

401
395
426
418
364
390
364
371
358
106
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Samsung Electronics Co., Ltd.
131630
217
LG Electronics Inc.
69257
184
Sonos, Inc.
2274
130
Sony Corporation
32931
74
Rovi Guides, Inc.
3236
72
Saturn Licensing LLC
1502
65
DISH Technologies L.L.C.
1666
65
Google LLC
38759
63
Apple Inc.
50209
62
Roku, Inc.
1151
56
ARRIS Enterprises LLC
3432
52
Huawei Technologies Co., Ltd.
100781
49
Multimedia Technologies Pte, Ltd
60
49
Comcast Cable Communications, LLC
4075
48
Qualcomm Incorporated
76576
46
AT&T Intellectual Property I, L.P.
9886
46
Winview IP Holdings, LLC
119
43
Tencent Technology (Shenzhen) Company Limited
12951
40
Amazon Technologies, Inc.
24422
37
Intel Corporation
45621
33
Other owners 2480