- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/41 - Structure of client; Structure of client peripherals
Patent holdings for IPC class H04N 21/41
Total number of patents in this class: 4916
10-year publication summary
|
686
|
705
|
676
|
585
|
460
|
376
|
337
|
354
|
243
|
80
|
| 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 |
344 |
| LG Electronics Inc. | 69257 |
201 |
| Google LLC | 38759 |
145 |
| Enseo, LLC | 279 |
140 |
| AT&T Intellectual Property I, L.P. | 9886 |
137 |
| Rovi Guides, Inc. | 3236 |
133 |
| Sony Corporation | 32931 |
118 |
| DISH Technologies L.L.C. | 1666 |
117 |
| Apple Inc. | 50209 |
114 |
| Maxell, Ltd. | 2533 |
101 |
| Universal Electronics Inc. | 687 |
89 |
| Comcast Cable Communications, LLC | 4075 |
76 |
| Maxell Holdings, Ltd. | 1422 |
74 |
| The Nielsen Company (US), LLC | 2549 |
69 |
| Huawei Technologies Co., Ltd. | 100781 |
53 |
| DIRECTV, LLC | 812 |
53 |
| Microsoft Technology Licensing, LLC | 51439 |
52 |
| Intel Corporation | 45621 |
51 |
| ARRIS Enterprises LLC | 3432 |
50 |
| Roku, Inc. | 1151 |
50 |
| Other owners | 2749 |