• All sections
  • H - Electricity
  • H04N - Pictorial communication, e.g. television
  • H04N 21/4402 - Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display

Patent holdings for IPC class H04N 21/4402

Total number of patents in this class: 2351

10-year publication summary

81
162
237
298
284
309
319
274
294
42
2012 2013 2014 2015 2016 2017 2018 2019 2020 2021

Principal owners for this class

Owner
All patents
This class
Samsung Electronics Co., Ltd.
107772
164
Sony Corporation
43704
126
LG Electronics Inc.
61477
118
AT&T Intellectual Property I, L.P.
10770
76
Qualcomm Incorporated
59101
45
Intel Corporation
46957
42
Panasonic Intellectual Property Management Co., Ltd.
20933
42
DISH Technologies L.L.C.
1389
34
Google LLC
31745
32
Avago Technologies International Sales Pte. Limited
11944
31
Apple Inc.
38919
30
Rovi Guides, Inc.
2056
30
Tencent Technology (Shenzhen) Company Limited
8762
28
Microsoft Technology Licensing, LLC
48171
26
Facebook, Inc.
8487
24
Nokia Technologies Oy
11471
24
ARRIS Enterprises LLC
2803
24
Maxell, Ltd.
1698
23
The Nielsen Company (US), LLC
2162
22
Huawei Technologies Co., Ltd.
68534
21
Other owners 1389