- 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: 2871
10-year publication summary
|
390
|
284
|
287
|
265
|
262
|
221
|
195
|
115
|
121
|
67
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 73884 |
484 |
| Sony Corporation | 30760 |
201 |
| Samsung Electronics Co., Ltd. | 149362 |
163 |
| Saturn Licensing LLC | 1442 |
130 |
| Comcast Cable Communications, LLC | 4882 |
72 |
| Panasonic Intellectual Property Management Co., Ltd. | 32551 |
50 |
| Enseo, LLC | 260 |
47 |
| Electronics and Telecommunications Research Institute | 9359 |
45 |
| Qualcomm Incorporated | 87874 |
44 |
| ARRIS Enterprises LLC | 3451 |
44 |
| Amazon Technologies, Inc. | 27270 |
35 |
| Microsoft Technology Licensing, LLC | 54366 |
31 |
| Sony Group Corporation | 14605 |
31 |
| Huawei Technologies Co., Ltd. | 116134 |
26 |
| Panasonic Intellectual Property Corporation of America | 6933 |
26 |
| Adeia Media Holdings LLC | 603 |
23 |
| AT&T Intellectual Property I, L.P. | 9686 |
22 |
| Avago Technologies International Sales Pte. Limited | 8643 |
22 |
| Time Warner Cable Enterprises LLC | 881 |
21 |
| DISH Technologies L.L.C. | 1607 |
20 |
| Other owners | 1334 |