- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/4728 - End-user interface for requesting content, additional data or servicesEnd-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification or for manipulating displayed content for selecting a ROI [Region Of Interest], e.g. for requesting a higher resolution version of a selected region
Patent holdings for IPC class H04N 21/4728
Total number of patents in this class: 948
10-year publication summary
|
85
|
141
|
155
|
100
|
71
|
73
|
58
|
32
|
28
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 158605 |
67 |
| Nokia Technologies Oy | 21548 |
67 |
| Sony Corporation | 30097 |
48 |
| Canon Inc. | 44134 |
31 |
| LG Electronics Inc. | 75910 |
29 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5277 |
23 |
| Google LLC | 44674 |
23 |
| Intel Corporation | 47162 |
21 |
| Canon Kabushiki Kaisha | 7369 |
21 |
| Koninklijke KPN N.V. | 792 |
17 |
| Sony Interactive Entertainment Inc. | 6475 |
15 |
| Ricoh Company, Ltd. | 13334 |
13 |
| Broadcom Corporation | 498 |
13 |
| Canon Europe Limited | 346 |
13 |
| Apple Inc. | 59117 |
12 |
| Qualcomm Incorporated | 93006 |
12 |
| Microsoft Technology Licensing, LLC | 54524 |
12 |
| Sony Group Corporation | 15879 |
11 |
| Huawei Technologies Co., Ltd. | 124379 |
10 |
| InterDigital Holdings, Inc. | 964 |
10 |
| Other owners | 480 |