- 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: 2626
10-year publication summary
|
355
|
299
|
285
|
285
|
237
|
233
|
203
|
197
|
147
|
85
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Adeia Guides Inc. | 3258 |
233 |
| Google LLC | 42196 |
123 |
| DISH Technologies L.L.C. | 1606 |
84 |
| Samsung Electronics Co., Ltd. | 146092 |
83 |
| AT&T Intellectual Property I, L.P. | 9508 |
68 |
| LG Electronics Inc. | 73021 |
56 |
| Verizon Patent And Licensing Inc. | 7098 |
55 |
| Rovi Guides, Inc. | 935 |
49 |
| Roku, Inc. | 1400 |
47 |
| Multimedia Technologies Pte, Ltd | 60 |
44 |
| Sonos, Inc. | 2613 |
38 |
| Comcast Cable Communications, LLC | 4712 |
36 |
| Apple Inc. | 54844 |
34 |
| DISH Network L.L.C. | 876 |
32 |
| The Nielsen Company (US), LLC | 2643 |
31 |
| Saturn Licensing LLC | 1443 |
31 |
| Tencent Technology (Shenzhen) Company Limited | 14747 |
31 |
| Sony Corporation | 31052 |
28 |
| Microsoft Technology Licensing, LLC | 53720 |
27 |
| Disney Enterprises, Inc. | 6099 |
26 |
| Other owners | 1470 |