- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/422 - Input-only peripherals, e.g. global positioning system [GPS]
Patent holdings for IPC class H04N 21/422
Total number of patents in this class: 5910
10-year publication summary
|
601
|
670
|
657
|
578
|
547
|
459
|
471
|
439
|
322
|
257
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 149198 |
678 |
| LG Electronics Inc. | 73825 |
389 |
| Universal Electronics Inc. | 857 |
279 |
| Google LLC | 43134 |
187 |
| Adeia Guides Inc. | 3506 |
175 |
| DISH Technologies L.L.C. | 1607 |
161 |
| Apple Inc. | 56466 |
159 |
| Sony Corporation | 30769 |
121 |
| The Nielsen Company (US), LLC | 2652 |
104 |
| Microsoft Technology Licensing, LLC | 54340 |
99 |
| AT&T Intellectual Property I, L.P. | 9682 |
97 |
| Enseo, LLC | 260 |
94 |
| Roku, Inc. | 1472 |
85 |
| Hisense Visual Technology Co., Ltd. | 912 |
81 |
| Maxell, Ltd. | 2874 |
72 |
| Saturn Licensing LLC | 1442 |
59 |
| ARRIS Enterprises LLC | 3452 |
56 |
| Comcast Cable Communications, LLC | 4881 |
50 |
| Sonos, Inc. | 2707 |
50 |
| Maxell Holdings, Ltd. | 1283 |
49 |
| Other owners | 2865 |