- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/434 - Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams or extraction of additional data from a video streamRemultiplexing of multiplex streamsExtraction or processing of SIDisassembling of packetised elementary stream
Patent holdings for IPC class H04N 21/434
Total number of patents in this class: 2726
10-year publication summary
|
382
|
368
|
294
|
238
|
246
|
181
|
151
|
97
|
99
|
36
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 72675 |
424 |
| Sony Corporation | 31124 |
185 |
| Samsung Electronics Co., Ltd. | 144675 |
171 |
| Saturn Licensing LLC | 1446 |
158 |
| Maxell, Ltd. | 2780 |
68 |
| DISH Technologies L.L.C. | 1606 |
58 |
| Panasonic Intellectual Property Management Co., Ltd. | 31084 |
51 |
| ARRIS Enterprises LLC | 3432 |
51 |
| Qualcomm Incorporated | 84760 |
49 |
| Enseo, LLC | 265 |
45 |
| Maxell Holdings, Ltd. | 1325 |
35 |
| Dolby Laboratories Licensing Corporation | 4107 |
31 |
| Panasonic Intellectual Property Corporation of America | 7625 |
26 |
| AT&T Intellectual Property I, L.P. | 9486 |
24 |
| Electronics and Telecommunications Research Institute | 9355 |
24 |
| Comcast Cable Communications, LLC | 4657 |
24 |
| Google LLC | 41934 |
24 |
| Sony Group Corporation | 13616 |
24 |
| Genius Sports Ss, LLC | 54 |
22 |
| Sharp Corporation | 10305 |
21 |
| Other owners | 1211 |