- 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: 4337
10-year publication summary
|
492
|
425
|
386
|
328
|
276
|
316
|
244
|
217
|
178
|
35
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sonos, Inc. | 2774 |
482 |
| Samsung Electronics Co., Ltd. | 153093 |
439 |
| LG Electronics Inc. | 74848 |
262 |
| Sony Corporation | 30461 |
201 |
| Google LLC | 43671 |
125 |
| Enseo, LLC | 257 |
79 |
| DISH Technologies L.L.C. | 1603 |
69 |
| AT&T Intellectual Property I, L.P. | 9832 |
64 |
| Comcast Cable Communications, LLC | 5035 |
61 |
| Adeia Guides Inc. | 3699 |
61 |
| Time Warner Cable Enterprises LLC | 869 |
60 |
| Roku, Inc. | 1539 |
56 |
| Universal Electronics Inc. | 852 |
56 |
| ARRIS Enterprises LLC | 3436 |
55 |
| Apple Inc. | 57989 |
48 |
| Maxell, Ltd. | 2938 |
46 |
| Panasonic Intellectual Property Management Co., Ltd. | 33401 |
44 |
| Intel Corporation | 46673 |
41 |
| DIRECTV, LLC | 793 |
41 |
| Winview IP Holdings, LLC | 104 |
37 |
| Other owners | 2010 |