- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/437 - Interfacing the upstream path of the transmission network, e.g. for transmitting client requests to a VOD server
Patent holdings for IPC class H04N 21/437
Total number of patents in this class: 739
10-year publication summary
|
81
|
63
|
82
|
55
|
47
|
67
|
60
|
38
|
36
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Multimedia Technologies Pte, Ltd | 60 |
43 |
| Adeia Guides Inc. | 3823 |
29 |
| Samsung Electronics Co., Ltd. | 155224 |
20 |
| AT&T Intellectual Property I, L.P. | 9905 |
20 |
| Huawei Technologies Co., Ltd. | 121192 |
19 |
| Comcast Cable Communications, LLC | 5091 |
19 |
| Intel Corporation | 46737 |
18 |
| Sony Corporation | 30327 |
16 |
| Google LLC | 44062 |
16 |
| Roku, Inc. | 1581 |
14 |
| Adeia Media Holdings LLC | 602 |
14 |
| LG Electronics Inc. | 75274 |
13 |
| ARRIS Enterprises LLC | 3421 |
13 |
| Spotify AB | 1003 |
13 |
| Beijing Bytedance Network Technology Co., Ltd. | 4134 |
13 |
| Apple Inc. | 58268 |
10 |
| Verizon Patent And Licensing Inc. | 7523 |
10 |
| Amazon Technologies, Inc. | 27873 |
10 |
| Symphony Advanced Media | 15 |
10 |
| Panasonic Intellectual Property Management Co., Ltd. | 33812 |
9 |
| Other owners | 410 |