- 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: 996
10-year publication summary
|
101
|
80
|
98
|
95
|
83
|
82
|
69
|
71
|
45
|
40
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 30812 |
66 |
| Samsung Electronics Co., Ltd. | 148765 |
40 |
| Huawei Technologies Co., Ltd. | 115366 |
32 |
| ARRIS Enterprises LLC | 3485 |
32 |
| LG Electronics Inc. | 73680 |
30 |
| Netflix, Inc. | 1158 |
26 |
| NEC Corporation | 36267 |
21 |
| DISH Network L.L.C. | 905 |
18 |
| AT&T Intellectual Property I, L.P. | 9657 |
17 |
| ZTE Corporation | 42992 |
17 |
| Comcast Cable Communications, LLC | 4839 |
17 |
| Dejero Labs Inc. | 94 |
17 |
| DISH Technologies L.L.C. | 1606 |
17 |
| Cisco Technology, Inc. | 22105 |
16 |
| Saturn Licensing LLC | 1445 |
16 |
| Sony Group Corporation | 14474 |
16 |
| Tencent Technology (Shenzhen) Company Limited | 15102 |
15 |
| Google LLC | 43003 |
13 |
| Ericsson AB | 376 |
12 |
| Amazon Technologies, Inc. | 27183 |
12 |
| Other owners | 546 |