- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/242 - Synchronization processes, e.g. processing of PCR [Program Clock References]
Patent holdings for IPC class H04N 21/242
Total number of patents in this class: 1353
10-year publication summary
|
195
|
117
|
133
|
136
|
131
|
134
|
102
|
82
|
70
|
42
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Intellectual Property Corporation of America | 6828 |
44 |
| Comcast Cable Communications, LLC | 4734 |
40 |
| Sony Corporation | 30979 |
38 |
| ARRIS Enterprises LLC | 3465 |
31 |
| Saturn Licensing LLC | 1439 |
28 |
| LG Electronics Inc. | 73393 |
25 |
| Samsung Electronics Co., Ltd. | 147131 |
24 |
| Google LLC | 42451 |
23 |
| Amazon Technologies, Inc. | 26841 |
22 |
| DivX, LLC | 297 |
20 |
| Sony Interactive Entertainment Inc. | 5907 |
20 |
| Adeia Media Solutions Inc. | 275 |
17 |
| DISH Technologies L.L.C. | 1608 |
16 |
| Disney Enterprises, Inc. | 6119 |
15 |
| Grass Valley Canada | 203 |
15 |
| Sonos, Inc. | 2638 |
15 |
| AT&T Intellectual Property I, L.P. | 9550 |
14 |
| Huawei Technologies Co., Ltd. | 113340 |
13 |
| Apple Inc. | 55287 |
12 |
| Microsoft Technology Licensing, LLC | 53829 |
12 |
| Other owners | 909 |