- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/47 - End-user applications
Patent holdings for IPC class H04N 21/47
Total number of patents in this class: 899
10-year publication summary
94
|
62
|
59
|
71
|
85
|
142
|
121
|
92
|
68
|
23
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Rovi Guides, Inc. | 3236 |
59 |
Samsung Electronics Co., Ltd. | 131630 |
57 |
Google LLC | 38759 |
48 |
Multimedia Technologies Pte, Ltd | 60 |
44 |
LG Electronics Inc. | 69257 |
41 |
Comcast Cable Communications, LLC | 4075 |
29 |
Apple Inc. | 50209 |
28 |
AT&T Intellectual Property I, L.P. | 9886 |
22 |
Sony Corporation | 32931 |
19 |
DISH Technologies L.L.C. | 1666 |
19 |
Microsoft Technology Licensing, LLC | 51439 |
15 |
Saturn Licensing LLC | 1502 |
12 |
Z124 | 352 |
11 |
Universal Electronics Inc. | 687 |
10 |
Verizon Patent And Licensing Inc. | 6900 |
9 |
ZTE Corporation | 39218 |
9 |
Nokia Technologies Oy | 15057 |
8 |
Snap Inc. | 4604 |
8 |
TiVo Corporation | 462 |
8 |
Hisense Visual Technology Co., Ltd. | 725 |
8 |
Other owners | 435 |