- 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 bandwidth; Processing of multiplex streams
Patent holdings for IPC class H04N 21/238
Total number of patents in this class: 940
10-year publication summary
|
117
|
104
|
83
|
103
|
98
|
83
|
85
|
70
|
65
|
13
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 32931 |
69 |
| Samsung Electronics Co., Ltd. | 131630 |
41 |
| Huawei Technologies Co., Ltd. | 100781 |
32 |
| ARRIS Enterprises LLC | 3432 |
30 |
| LG Electronics Inc. | 69257 |
29 |
| Netflix, Inc. | 944 |
24 |
| AT&T Intellectual Property I, L.P. | 9886 |
22 |
| NEC Corporation | 32703 |
20 |
| Saturn Licensing LLC | 1502 |
19 |
| DISH Technologies L.L.C. | 1666 |
17 |
| ZTE Corporation | 39218 |
16 |
| Sony Interactive Entertainment LLC | 1946 |
16 |
| Cisco Technology, Inc. | 18858 |
15 |
| Comcast Cable Communications, LLC | 4075 |
15 |
| Dejero Labs Inc. | 86 |
15 |
| Tencent Technology (Shenzhen) Company Limited | 12951 |
13 |
| Ericsson AB | 491 |
12 |
| Amazon Technologies, Inc. | 24422 |
12 |
| Google LLC | 38759 |
12 |
| Nippon Telegraph and Telephone Corporation | 14195 |
11 |
| Other owners | 500 |