- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/237 - Communication with additional data server
Patent holdings for IPC class H04N 21/237
Total number of patents in this class: 218
10-year publication summary
|
43
|
49
|
39
|
27
|
25
|
21
|
18
|
10
|
10
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DISH Technologies L.L.C. | 1666 |
16 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
11 |
| Saturn Licensing LLC | 1502 |
9 |
| Google LLC | 38759 |
8 |
| Rovi Guides, Inc. | 3236 |
8 |
| TiVo Corporation | 462 |
8 |
| Aibuy, Inc. | 57 |
8 |
| Microsoft Technology Licensing, LLC | 51439 |
6 |
| Samsung Electronics Co., Ltd. | 131630 |
5 |
| The Nielsen Company (US), LLC | 2549 |
5 |
| Roku, Inc. | 1151 |
5 |
| LG Electronics Inc. | 69257 |
4 |
| Ipar, LLC | 38 |
4 |
| Netflix, Inc. | 944 |
4 |
| OpenTV, Inc. | 346 |
4 |
| TiVo Solutions Inc. | 287 |
4 |
| Disney Enterprises, Inc. | 6012 |
3 |
| Verizon Patent And Licensing Inc. | 6900 |
3 |
| Tencent Technology (Shenzhen) Company Limited | 12951 |
3 |
| Inscape Data, Inc. | 102 |
3 |
| Other owners | 97 |