- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/00 - Selective content distribution, e.g. interactive television or video on demand [VOD]
Patent holdings for IPC class H04N 21/00
Total number of patents in this class: 872
10-year publication summary
|
120
|
106
|
94
|
88
|
74
|
46
|
58
|
36
|
31
|
17
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Google LLC | 42333 |
27 |
| Xmatrix LLC | 66 |
25 |
| Apple Inc. | 55174 |
23 |
| Sonos, Inc. | 2627 |
22 |
| Samsung Electronics Co., Ltd. | 146811 |
16 |
| LG Electronics Inc. | 73344 |
16 |
| Turner Broadcasting System, Inc. | 285 |
14 |
| Huawei Technologies Co., Ltd. | 113064 |
14 |
| Microsoft Technology Licensing, LLC | 53786 |
12 |
| Tencent Technology (Shenzhen) Company Limited | 14810 |
12 |
| Comcast Cable Communications, LLC | 4713 |
11 |
| Intel Corporation | 47033 |
10 |
| Roku, Inc. | 1406 |
10 |
| ZTE Corporation | 42569 |
9 |
| Disney Enterprises, Inc. | 6108 |
8 |
| International Business Machines Corporation | 61305 |
8 |
| Cisco Technology, Inc. | 19961 |
8 |
| Saturn Licensing LLC | 1442 |
8 |
| META Platforms, Inc. | 7097 |
8 |
| I'mbesideyou Inc. | 117 |
8 |
| Other owners | 603 |