- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/4227 - Remote input by a user located remotely from the client device, e.g. at work
Patent holdings for IPC class H04N 21/4227
Total number of patents in this class: 483
10-year publication summary
71
|
59
|
52
|
37
|
30
|
25
|
18
|
18
|
11
|
2
|
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 |
55 |
LG Electronics Inc. | 69257 |
30 |
META Platforms, Inc. | 7514 |
27 |
AT&T Intellectual Property I, L.P. | 9886 |
20 |
Comcast Cable Communications, LLC | 4075 |
20 |
Maxell, Ltd. | 2533 |
17 |
Rovi Guides, Inc. | 3236 |
16 |
Verizon Patent And Licensing Inc. | 6900 |
14 |
Sling Media L.L.C. | 199 |
14 |
Google LLC | 38759 |
13 |
Sonos, Inc. | 2274 |
13 |
Maxell Holdings, Ltd. | 1422 |
12 |
DISH Technologies L.L.C. | 1666 |
12 |
TiVo Solutions Inc. | 287 |
11 |
Time Warner Cable Enterprises LLC | 945 |
8 |
DISH Network Technologies India Private Limited | 272 |
8 |
Sony Corporation | 32931 |
6 |
Apple Inc. | 50209 |
5 |
DIRECTV, LLC | 812 |
5 |
Nant Holdings IP, LLC | 659 |
4 |
Other owners | 173 |