- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/436 - Interfacing a local distribution network, e.g. communicating with another STB or inside the home
Patent holdings for IPC class H04N 21/436
Total number of patents in this class: 4311
10-year publication summary
|
528
|
492
|
425
|
386
|
328
|
276
|
316
|
243
|
212
|
155
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sonos, Inc. | 2678 |
473 |
| Samsung Electronics Co., Ltd. | 148402 |
426 |
| LG Electronics Inc. | 73790 |
251 |
| Sony Corporation | 30885 |
203 |
| Google LLC | 42836 |
125 |
| Enseo, LLC | 264 |
79 |
| DISH Technologies L.L.C. | 1608 |
69 |
| AT&T Intellectual Property I, L.P. | 9638 |
65 |
| Time Warner Cable Enterprises LLC | 887 |
61 |
| Comcast Cable Communications, LLC | 4817 |
60 |
| Universal Electronics Inc. | 854 |
56 |
| Roku, Inc. | 1444 |
55 |
| ARRIS Enterprises LLC | 3489 |
54 |
| Adeia Guides Inc. | 3442 |
54 |
| Apple Inc. | 55846 |
48 |
| Panasonic Intellectual Property Management Co., Ltd. | 32199 |
44 |
| Maxell, Ltd. | 2851 |
43 |
| Intel Corporation | 46939 |
41 |
| DIRECTV, LLC | 778 |
41 |
| Winview IP Holdings, LLC | 106 |
37 |
| Other owners | 2026 |