- 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: 1333
10-year publication summary
|
142
|
160
|
146
|
149
|
135
|
142
|
157
|
103
|
93
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 70898 |
45 |
| Google LLC | 40754 |
36 |
| Comcast Cable Communications, LLC | 4430 |
35 |
| Samsung Electronics Co., Ltd. | 138518 |
34 |
| The Nielsen Company (US), LLC | 2640 |
33 |
| Amazon Technologies, Inc. | 25836 |
32 |
| Saturn Licensing LLC | 1476 |
24 |
| Sony Corporation | 31565 |
23 |
| Panasonic Intellectual Property Corporation of America | 7377 |
22 |
| Adeia Guides Inc. | 2817 |
22 |
| Tencent Technology (Shenzhen) Company Limited | 14012 |
21 |
| Huawei Technologies Co., Ltd. | 106498 |
19 |
| ARRIS Enterprises LLC | 3441 |
19 |
| DISH Technologies L.L.C. | 1664 |
19 |
| Disney Enterprises, Inc. | 6049 |
16 |
| Sony Interactive Entertainment Inc. | 5500 |
16 |
| META Platforms, Inc. | 7202 |
15 |
| Qualcomm Incorporated | 81413 |
14 |
| Intel Corporation | 46097 |
13 |
| Nokia Technologies Oy | 16490 |
13 |
| Other owners | 862 |