- 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: 5556
10-year publication summary
556
|
530
|
655
|
636
|
612
|
613
|
637
|
541
|
477
|
138
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Roku, Inc. | 1151 |
247 |
Samsung Electronics Co., Ltd. | 131630 |
193 |
Rovi Guides, Inc. | 3236 |
176 |
Google LLC | 38759 |
140 |
AT&T Intellectual Property I, L.P. | 9886 |
133 |
The Nielsen Company (US), LLC | 2549 |
129 |
DISH Technologies L.L.C. | 1666 |
116 |
LG Electronics Inc. | 69257 |
101 |
Tencent Technology (Shenzhen) Company Limited | 12951 |
100 |
Microsoft Technology Licensing, LLC | 51439 |
93 |
Sony Corporation | 32931 |
90 |
Qualcomm Incorporated | 76576 |
87 |
Comcast Cable Communications, LLC | 4075 |
80 |
Saturn Licensing LLC | 1502 |
77 |
Huawei Technologies Co., Ltd. | 100781 |
72 |
Apple Inc. | 50209 |
71 |
ARRIS Enterprises LLC | 3432 |
66 |
Turner Broadcasting System, Inc. | 276 |
62 |
International Business Machines Corporation | 60644 |
60 |
Netflix, Inc. | 944 |
51 |
Other owners | 3412 |