- 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: 878
10-year publication summary
|
120
|
106
|
94
|
88
|
74
|
46
|
58
|
38
|
32
|
23
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Google LLC | 42836 |
27 |
| Xmatrix LLC | 66 |
25 |
| Apple Inc. | 55846 |
23 |
| Sonos, Inc. | 2678 |
23 |
| Samsung Electronics Co., Ltd. | 148402 |
17 |
| LG Electronics Inc. | 73790 |
17 |
| Turner Broadcasting System, Inc. | 285 |
14 |
| Huawei Technologies Co., Ltd. | 114756 |
14 |
| Microsoft Technology Licensing, LLC | 54095 |
12 |
| Tencent Technology (Shenzhen) Company Limited | 15029 |
12 |
| Comcast Cable Communications, LLC | 4817 |
11 |
| Intel Corporation | 46939 |
10 |
| Roku, Inc. | 1444 |
10 |
| ZTE Corporation | 42863 |
9 |
| Disney Enterprises, Inc. | 6146 |
8 |
| International Business Machines Corporation | 61636 |
8 |
| Cisco Technology, Inc. | 22094 |
8 |
| Saturn Licensing LLC | 1436 |
8 |
| Telefonaktiebolaget LM Ericsson (publ) | 28399 |
8 |
| META Platforms, Inc. | 7038 |
8 |
| Other owners | 606 |