- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/431 - Generation of visual interfaces; Content or additional data rendering
Patent holdings for IPC class H04N 21/431
Total number of patents in this class: 6740
10-year publication summary
|
678
|
725
|
773
|
733
|
715
|
718
|
714
|
712
|
661
|
234
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 131630 |
488 |
| Rovi Guides, Inc. | 3236 |
352 |
| LG Electronics Inc. | 69257 |
270 |
| Google LLC | 38759 |
222 |
| Sony Corporation | 32931 |
213 |
| DISH Technologies L.L.C. | 1666 |
136 |
| Tencent Technology (Shenzhen) Company Limited | 12951 |
128 |
| Roku, Inc. | 1151 |
127 |
| Beijing Zitiao Network Technology Co., Ltd. | 1927 |
121 |
| AT&T Intellectual Property I, L.P. | 9886 |
106 |
| Apple Inc. | 50209 |
98 |
| Beijing Bytedance Network Technology Co., Ltd. | 3621 |
94 |
| Comcast Cable Communications, LLC | 4075 |
87 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
78 |
| Microsoft Technology Licensing, LLC | 51439 |
75 |
| Saturn Licensing LLC | 1502 |
75 |
| Hisense Visual Technology Co., Ltd. | 725 |
73 |
| Broadband Itv, Inc. | 71 |
59 |
| Sharp Kabushiki Kaisha | 18957 |
59 |
| Huawei Technologies Co., Ltd. | 100781 |
56 |
| Other owners | 3823 |