- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/431 - Generation of visual interfacesContent or additional data rendering
Patent holdings for IPC class H04N 21/431
Total number of patents in this class: 7747
10-year publication summary
|
756
|
721
|
710
|
714
|
706
|
712
|
676
|
701
|
681
|
19
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 149838 |
560 |
| Adeia Guides Inc. | 3548 |
344 |
| Beijing Zitiao Network Technology Co., Ltd. | 5294 |
330 |
| LG Electronics Inc. | 73967 |
294 |
| Google LLC | 43237 |
250 |
| Sony Corporation | 30735 |
202 |
| Roku, Inc. | 1480 |
153 |
| Tencent Technology (Shenzhen) Company Limited | 15281 |
148 |
| DISH Technologies L.L.C. | 1607 |
138 |
| Apple Inc. | 56633 |
129 |
| Beijing Bytedance Network Technology Co., Ltd. | 4106 |
111 |
| Comcast Cable Communications, LLC | 4894 |
106 |
| Hisense Visual Technology Co., Ltd. | 922 |
103 |
| AT&T Intellectual Property I, L.P. | 9697 |
97 |
| Panasonic Intellectual Property Management Co., Ltd. | 32675 |
86 |
| Rovi Guides, Inc. | 899 |
82 |
| Saturn Licensing LLC | 1442 |
80 |
| Microsoft Technology Licensing, LLC | 54394 |
76 |
| Beijing Youzhuju Network Technology Co., Ltd. | 1048 |
73 |
| Huawei Technologies Co., Ltd. | 116616 |
68 |
| Other owners | 4317 |