- 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: 2721
10-year publication summary
|
371
|
349
|
284
|
233
|
243
|
179
|
148
|
95
|
99
|
74
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 73772 |
428 |
| Sony Corporation | 30787 |
185 |
| Samsung Electronics Co., Ltd. | 149087 |
174 |
| Saturn Licensing LLC | 1444 |
158 |
| DISH Technologies L.L.C. | 1607 |
58 |
| Maxell, Ltd. | 2874 |
57 |
| Panasonic Intellectual Property Management Co., Ltd. | 32457 |
54 |
| ARRIS Enterprises LLC | 3452 |
54 |
| Qualcomm Incorporated | 87585 |
49 |
| Enseo, LLC | 260 |
47 |
| Dolby Laboratories Licensing Corporation | 4202 |
35 |
| Sony Group Corporation | 14537 |
27 |
| Panasonic Intellectual Property Corporation of America | 6925 |
26 |
| Maxell Holdings, Ltd. | 1284 |
26 |
| AT&T Intellectual Property I, L.P. | 9677 |
24 |
| Comcast Cable Communications, LLC | 4860 |
24 |
| Google LLC | 43094 |
24 |
| Electronics and Telecommunications Research Institute | 9451 |
23 |
| Genius Sports Ss, LLC | 58 |
23 |
| Sharp Corporation | 10304 |
21 |
| Other owners | 1204 |