- 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: 7702
10-year publication summary
|
711
|
756
|
721
|
710
|
714
|
706
|
712
|
676
|
700
|
647
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 149087 |
550 |
| Adeia Guides Inc. | 3496 |
347 |
| Beijing Zitiao Network Technology Co., Ltd. | 5063 |
322 |
| LG Electronics Inc. | 73772 |
292 |
| Google LLC | 43094 |
249 |
| Sony Corporation | 30787 |
202 |
| Roku, Inc. | 1470 |
152 |
| Tencent Technology (Shenzhen) Company Limited | 15172 |
148 |
| DISH Technologies L.L.C. | 1607 |
138 |
| Apple Inc. | 56283 |
127 |
| Beijing Bytedance Network Technology Co., Ltd. | 4103 |
112 |
| Comcast Cable Communications, LLC | 4860 |
106 |
| Hisense Visual Technology Co., Ltd. | 910 |
98 |
| AT&T Intellectual Property I, L.P. | 9677 |
97 |
| Panasonic Intellectual Property Management Co., Ltd. | 32457 |
85 |
| Rovi Guides, Inc. | 903 |
82 |
| Saturn Licensing LLC | 1444 |
81 |
| Microsoft Technology Licensing, LLC | 54319 |
76 |
| Beijing Youzhuju Network Technology Co., Ltd. | 1022 |
70 |
| Huawei Technologies Co., Ltd. | 115827 |
68 |
| Other owners | 4300 |