• All sections
  • H - Electricity
  • H04N - Pictorial communication, e.g. television
  • H04N 21/236 - Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator ] into a video stream, multiplexing software data into a video streamRemultiplexing of multiplex streamsInsertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rateAssembling of a packetised elementary stream

Patent holdings for IPC class H04N 21/236

Total number of patents in this class: 2888

10-year publication summary

297
299
271
263
226
198
117
126
71
37
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
LG Electronics Inc.
75654
477
Sony Corporation
30208
200
Samsung Electronics Co., Ltd.
157557
165
Saturn Licensing LLC
1441
131
Comcast Cable Communications, LLC
5169
74
Panasonic Intellectual Property Management Co., Ltd.
33911
51
Enseo, LLC
252
48
Electronics and Telecommunications Research Institute
9670
45
ARRIS Enterprises LLC
3413
45
Qualcomm Incorporated
91997
44
Amazon Technologies, Inc.
28066
36
Microsoft Technology Licensing, LLC
54439
31
Sony Group Corporation
15597
31
Huawei Technologies Co., Ltd.
123282
27
Panasonic Intellectual Property Corporation of America
7176
26
AT&T Intellectual Property I, L.P.
9993
24
Adeia Media Holdings Inc.
854
23
Time Warner Cable Enterprises LLC
853
21
Avago Technologies International Sales Pte. Limited
8564
21
DISH Technologies L.L.C.
1602
20
Other owners 1348