- 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: 5527
10-year publication summary
|
680
|
603
|
676
|
661
|
588
|
548
|
460
|
459
|
420
|
114
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 131630 |
614 |
| LG Electronics Inc. | 69257 |
335 |
| Universal Electronics Inc. | 687 |
266 |
| Rovi Guides, Inc. | 3236 |
181 |
| Google LLC | 38759 |
175 |
| DISH Technologies L.L.C. | 1666 |
160 |
| Apple Inc. | 50209 |
145 |
| Sony Corporation | 32931 |
127 |
| AT&T Intellectual Property I, L.P. | 9886 |
103 |
| Microsoft Technology Licensing, LLC | 51439 |
103 |
| The Nielsen Company (US), LLC | 2549 |
94 |
| Enseo, LLC | 279 |
90 |
| Hisense Visual Technology Co., Ltd. | 725 |
68 |
| Maxell, Ltd. | 2533 |
65 |
| Roku, Inc. | 1151 |
62 |
| Saturn Licensing LLC | 1502 |
58 |
| ARRIS Enterprises LLC | 3432 |
55 |
| Maxell Holdings, Ltd. | 1422 |
49 |
| Multimedia Technologies Pte, Ltd | 60 |
49 |
| Verizon Patent And Licensing Inc. | 6900 |
42 |
| Other owners | 2686 |