- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/4725 - 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 requesting additional data associated with the content using interactive regions of the image, e.g. hot spots
Patent holdings for IPC class H04N 21/4725
Total number of patents in this class: 568
10-year publication summary
|
65
|
50
|
58
|
55
|
36
|
35
|
27
|
44
|
37
|
16
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 75654 |
29 |
| AiBUY Holdco, Inc. | 59 |
25 |
| Samsung Electronics Co., Ltd. | 157557 |
23 |
| Multimedia Technologies Pte, Ltd | 60 |
19 |
| Google LLC | 44482 |
17 |
| Adeia Guides Inc. | 3915 |
16 |
| AT&T Intellectual Property I, L.P. | 9993 |
15 |
| Comcast Cable Communications, LLC | 5169 |
15 |
| Broadcom Corporation | 507 |
13 |
| Frequency IP Holdings, LLC | 16 |
11 |
| Verizon Patent And Licensing Inc. | 7555 |
9 |
| Tencent Technology (Shenzhen) Company Limited | 15955 |
9 |
| Hisense Visual Technology Co., Ltd. | 997 |
7 |
| Sony Corporation | 30208 |
6 |
| Nokia Technologies Oy | 21069 |
6 |
| Dooreme Inc. | 9 |
6 |
| Rovi Guides, Inc. | 809 |
6 |
| Disney Enterprises, Inc. | 6257 |
5 |
| Google Technology Holdings LLC | 2095 |
5 |
| Thomson Licensing | 3198 |
5 |
| Other owners | 321 |