- 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: 2501
10-year publication summary
|
336
|
355
|
299
|
284
|
285
|
236
|
231
|
201
|
183
|
42
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rovi Guides, Inc. | 3236 |
248 |
| Google LLC | 38759 |
114 |
| DISH Technologies L.L.C. | 1666 |
84 |
| Samsung Electronics Co., Ltd. | 131630 |
81 |
| AT&T Intellectual Property I, L.P. | 9886 |
72 |
| LG Electronics Inc. | 69257 |
55 |
| Verizon Patent And Licensing Inc. | 6900 |
55 |
| Roku, Inc. | 1151 |
46 |
| Multimedia Technologies Pte, Ltd | 60 |
44 |
| Broadband Itv, Inc. | 71 |
34 |
| Sonos, Inc. | 2274 |
34 |
| Tencent Technology (Shenzhen) Company Limited | 12951 |
31 |
| Apple Inc. | 50209 |
30 |
| Comcast Cable Communications, LLC | 4075 |
30 |
| Sony Corporation | 32931 |
29 |
| Saturn Licensing LLC | 1502 |
29 |
| The Nielsen Company (US), LLC | 2549 |
28 |
| Microsoft Technology Licensing, LLC | 51439 |
27 |
| Disney Enterprises, Inc. | 6012 |
26 |
| DIRECTV, LLC | 812 |
26 |
| Other owners | 1378 |