- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/44 - Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to MPEG-4 scene graphs
Patent holdings for IPC class H04N 21/44
Total number of patents in this class: 5827
10-year publication summary
|
530
|
656
|
636
|
612
|
614
|
648
|
550
|
497
|
412
|
32
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Roku, Inc. | 1273 |
245 |
| Samsung Electronics Co., Ltd. | 139001 |
208 |
| Adeia Guides Inc. | 2847 |
156 |
| Google LLC | 40853 |
146 |
| The Nielsen Company (US), LLC | 2645 |
137 |
| AT&T Intellectual Property I, L.P. | 9337 |
124 |
| DISH Technologies L.L.C. | 1664 |
116 |
| Tencent Technology (Shenzhen) Company Limited | 14058 |
108 |
| Microsoft Technology Licensing, LLC | 52886 |
100 |
| LG Electronics Inc. | 71039 |
98 |
| Comcast Cable Communications, LLC | 4449 |
95 |
| Qualcomm Incorporated | 81865 |
94 |
| Sony Corporation | 31541 |
89 |
| Huawei Technologies Co., Ltd. | 106762 |
81 |
| Saturn Licensing LLC | 1474 |
79 |
| Apple Inc. | 52750 |
69 |
| ARRIS Enterprises LLC | 3437 |
69 |
| Turner Broadcasting System, Inc. | 281 |
66 |
| Beijing Zitiao Network Technology Co., Ltd. | 3174 |
64 |
| International Business Machines Corporation | 60129 |
55 |
| Other owners | 3628 |