- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/81 - Monomedia components thereof
Patent holdings for IPC class H04N 21/81
Total number of patents in this class: 10792
10-year publication summary
|
1242
|
1177
|
1173
|
1132
|
1066
|
1012
|
922
|
812
|
766
|
721
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Google LLC | 43177 |
388 |
| Samsung Electronics Co., Ltd. | 149362 |
380 |
| Adeia Guides Inc. | 3518 |
357 |
| LG Electronics Inc. | 73884 |
341 |
| Roku, Inc. | 1472 |
327 |
| Comcast Cable Communications, LLC | 4882 |
279 |
| Sonos, Inc. | 2712 |
250 |
| AT&T Intellectual Property I, L.P. | 9686 |
237 |
| The Nielsen Company (US), LLC | 2652 |
191 |
| DISH Technologies L.L.C. | 1607 |
173 |
| Saturn Licensing LLC | 1442 |
158 |
| Turner Broadcasting System, Inc. | 286 |
124 |
| Sony Corporation | 30760 |
123 |
| Verizon Patent And Licensing Inc. | 7375 |
122 |
| Amazon Technologies, Inc. | 27270 |
121 |
| ARRIS Enterprises LLC | 3451 |
121 |
| Apple Inc. | 56547 |
119 |
| Adeia Media Holdings LLC | 603 |
111 |
| Microsoft Technology Licensing, LLC | 54366 |
110 |
| Tencent Technology (Shenzhen) Company Limited | 15210 |
110 |
| Other owners | 6650 |