- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/238 - Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidthProcessing of multiplex streams
Patent holdings for IPC class H04N 21/238
Total number of patents in this class: 1019
10-year publication summary
|
84
|
103
|
97
|
83
|
85
|
72
|
74
|
48
|
43
|
21
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 30052 |
65 |
| Samsung Electronics Co., Ltd. | 159029 |
41 |
| Huawei Technologies Co., Ltd. | 124837 |
33 |
| ARRIS Enterprises LLC | 3393 |
33 |
| LG Electronics Inc. | 76087 |
30 |
| Netflix, Inc. | 1373 |
27 |
| NEC Corporation | 37395 |
20 |
| Comcast Cable Communications, LLC | 5234 |
18 |
| DISH Network L.L.C. | 960 |
18 |
| AT&T Intellectual Property I, L.P. | 10038 |
17 |
| ZTE Corporation | 44374 |
17 |
| Dejero Labs Inc. | 101 |
17 |
| DISH Technologies L.L.C. | 1600 |
17 |
| Sony Group Corporation | 15978 |
17 |
| Cisco Technology, Inc. | 22612 |
16 |
| Saturn Licensing LLC | 1440 |
16 |
| Tencent Technology (Shenzhen) Company Limited | 16195 |
15 |
| Amazon Technologies, Inc. | 28264 |
13 |
| Google LLC | 44796 |
13 |
| Ericsson AB | 345 |
12 |
| Other owners | 564 |