- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/41 - Structure of clientStructure of client peripherals
Patent holdings for IPC class H04N 21/41
Total number of patents in this class: 4993
10-year publication summary
|
705
|
676
|
585
|
461
|
377
|
337
|
359
|
251
|
222
|
57
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 142124 |
352 |
| LG Electronics Inc. | 71880 |
205 |
| Google LLC | 41705 |
158 |
| Enseo, LLC | 266 |
145 |
| AT&T Intellectual Property I, L.P. | 9411 |
124 |
| Adeia Guides Inc. | 3035 |
122 |
| Apple Inc. | 53955 |
120 |
| DISH Technologies L.L.C. | 1632 |
115 |
| Maxell, Ltd. | 2729 |
113 |
| Sony Corporation | 31261 |
112 |
| Universal Electronics Inc. | 841 |
94 |
| Comcast Cable Communications, LLC | 4517 |
83 |
| The Nielsen Company (US), LLC | 2599 |
77 |
| Maxell Holdings, Ltd. | 1337 |
76 |
| Huawei Technologies Co., Ltd. | 109214 |
61 |
| Microsoft Technology Licensing, LLC | 53276 |
52 |
| DIRECTV, LLC | 789 |
52 |
| ARRIS Enterprises LLC | 3437 |
51 |
| Hisense Visual Technology Co., Ltd. | 846 |
50 |
| Roku, Inc. | 1339 |
47 |
| Other owners | 2784 |