- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/475 - End-user interface for inputting end-user data, e.g. PIN [Personal Identification Number] or preference data
Patent holdings for IPC class H04N 21/475
Total number of patents in this class: 2721
10-year publication summary
|
299
|
285
|
285
|
238
|
234
|
203
|
203
|
153
|
142
|
67
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Adeia Guides Inc. | 3969 |
239 |
| Google LLC | 44674 |
118 |
| Samsung Electronics Co., Ltd. | 158605 |
96 |
| DISH Technologies L.L.C. | 1600 |
84 |
| AT&T Intellectual Property I, L.P. | 10013 |
68 |
| LG Electronics Inc. | 75910 |
65 |
| Verizon Patent And Licensing Inc. | 7672 |
54 |
| Roku, Inc. | 1623 |
53 |
| Rovi Guides, Inc. | 808 |
46 |
| Multimedia Technologies Pte, Ltd | 61 |
45 |
| Sonos, Inc. | 2881 |
42 |
| Comcast Cable Communications, LLC | 5202 |
40 |
| DISH Network L.L.C. | 956 |
39 |
| Apple Inc. | 59117 |
35 |
| The Nielsen Company (US), LLC | 2703 |
32 |
| Saturn Licensing LLC | 1440 |
31 |
| Tencent Technology (Shenzhen) Company Limited | 16087 |
31 |
| Sony Corporation | 30097 |
27 |
| Microsoft Technology Licensing, LLC | 54524 |
27 |
| DIRECTV, LLC | 780 |
26 |
| Other owners | 1523 |