- 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: 9792
10-year publication summary
|
1215
|
1255
|
1202
|
1185
|
1151
|
1083
|
1016
|
925
|
786
|
251
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Google LLC | 38759 |
352 |
| Samsung Electronics Co., Ltd. | 131630 |
349 |
| Rovi Guides, Inc. | 3236 |
333 |
| LG Electronics Inc. | 69257 |
327 |
| Roku, Inc. | 1151 |
308 |
| AT&T Intellectual Property I, L.P. | 9886 |
263 |
| Sonos, Inc. | 2274 |
211 |
| Comcast Cable Communications, LLC | 4075 |
199 |
| DISH Technologies L.L.C. | 1666 |
172 |
| The Nielsen Company (US), LLC | 2549 |
165 |
| Saturn Licensing LLC | 1502 |
157 |
| Sony Corporation | 32931 |
131 |
| Verizon Patent And Licensing Inc. | 6900 |
128 |
| Turner Broadcasting System, Inc. | 276 |
116 |
| Microsoft Technology Licensing, LLC | 51439 |
112 |
| ARRIS Enterprises LLC | 3432 |
111 |
| Apple Inc. | 50209 |
104 |
| Amazon Technologies, Inc. | 24422 |
104 |
| Tencent Technology (Shenzhen) Company Limited | 12951 |
97 |
| Time Warner Cable Enterprises LLC | 945 |
94 |
| Other owners | 5959 |