- 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: 735
10-year publication summary
|
77
|
62
|
82
|
54
|
47
|
67
|
58
|
38
|
36
|
10
|
| 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. | 3699 |
29 |
| Samsung Electronics Co., Ltd. | 153093 |
20 |
| AT&T Intellectual Property I, L.P. | 9832 |
20 |
| Intel Corporation | 46673 |
18 |
| Huawei Technologies Co., Ltd. | 119637 |
18 |
| Comcast Cable Communications, LLC | 5035 |
18 |
| Sony Corporation | 30461 |
16 |
| Google LLC | 43671 |
15 |
| Roku, Inc. | 1539 |
14 |
| Adeia Media Holdings LLC | 618 |
14 |
| LG Electronics Inc. | 74848 |
13 |
| ARRIS Enterprises LLC | 3436 |
13 |
| Spotify AB | 1001 |
13 |
| Beijing Bytedance Network Technology Co., Ltd. | 4127 |
13 |
| Apple Inc. | 57989 |
10 |
| Verizon Patent And Licensing Inc. | 7452 |
10 |
| Amazon Technologies, Inc. | 27656 |
10 |
| Symphony Advanced Media | 15 |
10 |
| Panasonic Intellectual Property Management Co., Ltd. | 33401 |
9 |
| Other owners | 409 |