- 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: 2692
10-year publication summary
|
296
|
277
|
280
|
233
|
233
|
196
|
198
|
149
|
136
|
18
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Adeia Guides Inc. | 3626 |
234 |
| Google LLC | 43466 |
123 |
| Samsung Electronics Co., Ltd. | 151726 |
89 |
| DISH Technologies L.L.C. | 1606 |
84 |
| AT&T Intellectual Property I, L.P. | 9783 |
68 |
| LG Electronics Inc. | 74447 |
60 |
| Verizon Patent And Licensing Inc. | 7414 |
55 |
| Roku, Inc. | 1518 |
51 |
| Rovi Guides, Inc. | 889 |
49 |
| Multimedia Technologies Pte, Ltd | 60 |
44 |
| Sonos, Inc. | 2754 |
40 |
| Comcast Cable Communications, LLC | 4981 |
38 |
| DISH Network L.L.C. | 914 |
37 |
| Apple Inc. | 57234 |
35 |
| The Nielsen Company (US), LLC | 2666 |
31 |
| Saturn Licensing LLC | 1447 |
31 |
| Tencent Technology (Shenzhen) Company Limited | 15533 |
31 |
| Sony Corporation | 30578 |
28 |
| Microsoft Technology Licensing, LLC | 54199 |
27 |
| OpenTV, Inc. | 341 |
27 |
| Other owners | 1510 |