- 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: 5979
10-year publication summary
|
670
|
657
|
578
|
547
|
459
|
471
|
441
|
323
|
265
|
85
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 152914 |
692 |
| LG Electronics Inc. | 74791 |
405 |
| Universal Electronics Inc. | 852 |
278 |
| Google LLC | 43643 |
187 |
| Adeia Guides Inc. | 3696 |
175 |
| Apple Inc. | 57924 |
163 |
| DISH Technologies L.L.C. | 1603 |
160 |
| Sony Corporation | 30481 |
121 |
| The Nielsen Company (US), LLC | 2666 |
103 |
| Microsoft Technology Licensing, LLC | 54182 |
99 |
| AT&T Intellectual Property I, L.P. | 9832 |
97 |
| Enseo, LLC | 257 |
95 |
| Roku, Inc. | 1537 |
92 |
| Hisense Visual Technology Co., Ltd. | 961 |
84 |
| Maxell, Ltd. | 2930 |
75 |
| Saturn Licensing LLC | 1446 |
60 |
| ARRIS Enterprises LLC | 3438 |
56 |
| Comcast Cable Communications, LLC | 5029 |
52 |
| Sonos, Inc. | 2777 |
52 |
| Huawei Technologies Co., Ltd. | 119623 |
49 |
| Other owners | 2884 |