- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/234 - Processing of video elementary streams, e.g. splicing of video streams or manipulating MPEG-4 scene graphs
Patent holdings for IPC class H04N 21/234
Total number of patents in this class: 5771
10-year publication summary
|
643
|
722
|
695
|
646
|
662
|
643
|
568
|
505
|
431
|
17
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Roku, Inc. | 1265 |
252 |
| Google LLC | 40754 |
237 |
| LG Electronics Inc. | 70898 |
173 |
| Adeia Guides Inc. | 2817 |
128 |
| Amazon Technologies, Inc. | 25836 |
126 |
| Comcast Cable Communications, LLC | 4430 |
122 |
| AT&T Intellectual Property I, L.P. | 9330 |
114 |
| Samsung Electronics Co., Ltd. | 138518 |
98 |
| ARRIS Enterprises LLC | 3441 |
97 |
| Microsoft Technology Licensing, LLC | 52891 |
86 |
| The Nielsen Company (US), LLC | 2640 |
85 |
| Tencent Technology (Shenzhen) Company Limited | 14012 |
83 |
| Turner Broadcasting System, Inc. | 280 |
79 |
| Netflix, Inc. | 1020 |
79 |
| Huawei Technologies Co., Ltd. | 106498 |
68 |
| Sony Corporation | 31565 |
66 |
| DISH Technologies L.L.C. | 1664 |
64 |
| Adeia Media Holdings LLC | 526 |
62 |
| Capital One Services, LLC. | 8505 |
51 |
| Disney Enterprises, Inc. | 6049 |
50 |
| Other owners | 3651 |