- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/43 - Processing of content or additional data, e.g. demultiplexing additional data from a digital video streamElementary client operations, e.g. monitoring of home network or synchronizing decoder's clockClient middleware
Patent holdings for IPC class H04N 21/43
Total number of patents in this class: 4393
10-year publication summary
|
427
|
418
|
365
|
393
|
364
|
386
|
385
|
290
|
235
|
131
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 158156 |
256 |
| LG Electronics Inc. | 75845 |
199 |
| Sonos, Inc. | 2871 |
150 |
| Adeia Guides Inc. | 3932 |
87 |
| Huawei Technologies Co., Ltd. | 123677 |
74 |
| Sony Corporation | 30139 |
73 |
| Roku, Inc. | 1611 |
73 |
| Comcast Cable Communications, LLC | 5193 |
70 |
| Google LLC | 44565 |
70 |
| Apple Inc. | 58936 |
66 |
| DISH Technologies L.L.C. | 1601 |
66 |
| Saturn Licensing LLC | 1438 |
65 |
| ARRIS Enterprises LLC | 3404 |
61 |
| Qualcomm Incorporated | 92563 |
56 |
| Multimedia Technologies Pte, Ltd | 61 |
50 |
| Tencent Technology (Shenzhen) Company Limited | 16006 |
46 |
| AT&T Intellectual Property I, L.P. | 10006 |
44 |
| Amazon Technologies, Inc. | 28142 |
44 |
| Winview IP Holdings, LLC | 101 |
39 |
| Intel Corporation | 47100 |
33 |
| Other owners | 2771 |