- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/2343 - Processing of video elementary streams, e.g. splicing of video streams or manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
Patent holdings for IPC class H04N 21/2343
Total number of patents in this class: 5643
10-year publication summary
|
540
|
599
|
624
|
672
|
645
|
565
|
529
|
450
|
321
|
111
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 69257 |
243 |
| Samsung Electronics Co., Ltd. | 131630 |
171 |
| Qualcomm Incorporated | 76576 |
145 |
| Sony Corporation | 32931 |
141 |
| Comcast Cable Communications, LLC | 4075 |
129 |
| ARRIS Enterprises LLC | 3432 |
127 |
| AT&T Intellectual Property I, L.P. | 9886 |
125 |
| Google LLC | 38759 |
103 |
| Apple Inc. | 50209 |
93 |
| Amazon Technologies, Inc. | 24422 |
88 |
| Nokia Technologies Oy | 15057 |
82 |
| DISH Technologies L.L.C. | 1666 |
81 |
| Netflix, Inc. | 944 |
79 |
| Microsoft Technology Licensing, LLC | 51439 |
73 |
| Rovi Guides, Inc. | 3236 |
73 |
| Roku, Inc. | 1151 |
65 |
| Cisco Technology, Inc. | 18858 |
63 |
| DivX, LLC | 274 |
59 |
| Huawei Technologies Co., Ltd. | 100781 |
56 |
| Tencent Technology (Shenzhen) Company Limited | 12951 |
53 |
| Other owners | 3594 |