- 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: 11074
10-year publication summary
|
1205
|
1185
|
1152
|
1084
|
1024
|
944
|
826
|
784
|
746
|
314
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 155224 |
405 |
| Google LLC | 44062 |
389 |
| Adeia Guides Inc. | 3823 |
368 |
| LG Electronics Inc. | 75274 |
342 |
| Roku, Inc. | 1581 |
341 |
| Comcast Cable Communications, LLC | 5091 |
300 |
| Sonos, Inc. | 2812 |
256 |
| AT&T Intellectual Property I, L.P. | 9905 |
233 |
| The Nielsen Company (US), LLC | 2676 |
195 |
| DISH Technologies L.L.C. | 1603 |
174 |
| Saturn Licensing LLC | 1445 |
157 |
| Amazon Technologies, Inc. | 27873 |
126 |
| Turner Broadcasting System, Inc. | 286 |
124 |
| Sony Corporation | 30327 |
123 |
| Apple Inc. | 58268 |
122 |
| ARRIS Enterprises LLC | 3421 |
121 |
| Verizon Patent And Licensing Inc. | 7523 |
119 |
| Tencent Technology (Shenzhen) Company Limited | 15760 |
114 |
| Adeia Media Holdings LLC | 602 |
113 |
| Microsoft Technology Licensing, LLC | 54289 |
112 |
| Other owners | 6840 |