- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/8547 - Content authoring involving timestamps for synchronizing content
Patent holdings for IPC class H04N 21/8547
Total number of patents in this class: 1289
10-year publication summary
|
121
|
142
|
160
|
146
|
149
|
135
|
140
|
157
|
100
|
42
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 69257 |
45 |
| Samsung Electronics Co., Ltd. | 131630 |
33 |
| Comcast Cable Communications, LLC | 4075 |
31 |
| Google LLC | 38759 |
31 |
| The Nielsen Company (US), LLC | 2549 |
31 |
| Amazon Technologies, Inc. | 24422 |
30 |
| Rovi Guides, Inc. | 3236 |
27 |
| Saturn Licensing LLC | 1502 |
24 |
| Sony Corporation | 32931 |
23 |
| Panasonic Intellectual Property Corporation of America | 7230 |
23 |
| Tencent Technology (Shenzhen) Company Limited | 12951 |
21 |
| Huawei Technologies Co., Ltd. | 100781 |
19 |
| DISH Technologies L.L.C. | 1666 |
19 |
| ARRIS Enterprises LLC | 3432 |
18 |
| Disney Enterprises, Inc. | 6012 |
15 |
| Sony Interactive Entertainment Inc. | 5162 |
15 |
| META Platforms, Inc. | 7514 |
15 |
| Qualcomm Incorporated | 76576 |
14 |
| Apple Inc. | 50209 |
13 |
| AT&T Intellectual Property I, L.P. | 9886 |
13 |
| Other owners | 829 |