- 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: 707
10-year publication summary
|
96
|
81
|
63
|
82
|
55
|
47
|
67
|
58
|
38
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Multimedia Technologies Pte, Ltd | 60 |
43 |
| Adeia Guides Inc. | 2817 |
24 |
| AT&T Intellectual Property I, L.P. | 9330 |
20 |
| Samsung Electronics Co., Ltd. | 138518 |
19 |
| Intel Corporation | 46097 |
18 |
| Huawei Technologies Co., Ltd. | 106498 |
18 |
| Sony Corporation | 31565 |
16 |
| Google LLC | 40754 |
15 |
| Comcast Cable Communications, LLC | 4430 |
14 |
| Roku, Inc. | 1265 |
14 |
| LG Electronics Inc. | 70898 |
13 |
| ARRIS Enterprises LLC | 3441 |
13 |
| Spotify AB | 914 |
13 |
| Adeia Media Holdings LLC | 526 |
13 |
| Beijing Bytedance Network Technology Co., Ltd. | 3946 |
11 |
| Apple Inc. | 52607 |
10 |
| Verizon Patent And Licensing Inc. | 6937 |
10 |
| Symphony Advanced Media | 15 |
10 |
| Panasonic Intellectual Property Management Co., Ltd. | 29620 |
9 |
| Amazon Technologies, Inc. | 25836 |
9 |
| Other owners | 395 |