- 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: 5851
10-year publication summary
|
601
|
670
|
657
|
578
|
547
|
459
|
470
|
437
|
323
|
194
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 147131 |
668 |
| LG Electronics Inc. | 73393 |
378 |
| Universal Electronics Inc. | 853 |
277 |
| Google LLC | 42451 |
187 |
| Adeia Guides Inc. | 3332 |
171 |
| Apple Inc. | 55287 |
161 |
| DISH Technologies L.L.C. | 1608 |
160 |
| Sony Corporation | 30979 |
121 |
| The Nielsen Company (US), LLC | 2654 |
104 |
| Microsoft Technology Licensing, LLC | 53829 |
100 |
| AT&T Intellectual Property I, L.P. | 9550 |
97 |
| Enseo, LLC | 264 |
92 |
| Hisense Visual Technology Co., Ltd. | 880 |
79 |
| Roku, Inc. | 1412 |
76 |
| Maxell, Ltd. | 2806 |
72 |
| Saturn Licensing LLC | 1439 |
59 |
| ARRIS Enterprises LLC | 3465 |
56 |
| Maxell Holdings, Ltd. | 1302 |
49 |
| Multimedia Technologies Pte, Ltd | 60 |
49 |
| Comcast Cable Communications, LLC | 4734 |
48 |
| Other owners | 2847 |