- 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 stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
Patent holdings for IPC class H04N 21/434
Total number of patents in this class: 2701
10-year publication summary
|
390
|
382
|
368
|
293
|
238
|
246
|
180
|
151
|
91
|
28
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 69257 |
426 |
| Sony Corporation | 32931 |
192 |
| Samsung Electronics Co., Ltd. | 131630 |
171 |
| Saturn Licensing LLC | 1502 |
158 |
| DISH Technologies L.L.C. | 1666 |
57 |
| Maxell, Ltd. | 2533 |
56 |
| Qualcomm Incorporated | 76576 |
48 |
| ARRIS Enterprises LLC | 3432 |
48 |
| Enseo, LLC | 279 |
44 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
43 |
| Maxell Holdings, Ltd. | 1422 |
35 |
| AT&T Intellectual Property I, L.P. | 9886 |
26 |
| Dolby Laboratories Licensing Corporation | 3883 |
25 |
| Electronics and Telecommunications Research Institute | 8830 |
24 |
| Panasonic Intellectual Property Corporation of America | 7230 |
24 |
| Sony Semiconductor Solutions Corporation | 8770 |
23 |
| Sharp Corporation | 10015 |
22 |
| Google LLC | 38759 |
22 |
| Genius Sports Ss, LLC | 50 |
22 |
| Comcast Cable Communications, LLC | 4075 |
21 |
| Other owners | 1214 |