- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/443 - OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
Patent holdings for IPC class H04N 21/443
Total number of patents in this class: 1811
10-year publication summary
205
|
217
|
227
|
196
|
178
|
165
|
131
|
118
|
109
|
32
|
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 |
166 |
LG Electronics Inc. | 69257 |
99 |
Saturn Licensing LLC | 1502 |
46 |
Google LLC | 38759 |
43 |
Roku, Inc. | 1151 |
43 |
Sony Corporation | 32931 |
42 |
AT&T Intellectual Property I, L.P. | 9886 |
38 |
Rovi Guides, Inc. | 3236 |
33 |
DISH Technologies L.L.C. | 1666 |
33 |
Apple Inc. | 50209 |
30 |
Intel Corporation | 45621 |
28 |
ARRIS Enterprises LLC | 3432 |
28 |
Qualcomm Incorporated | 76576 |
27 |
Microsoft Technology Licensing, LLC | 51439 |
26 |
Comcast Cable Communications, LLC | 4075 |
26 |
Shenzhen TCL Digital Technology Ltd. | 419 |
22 |
Hisense Visual Technology Co., Ltd. | 725 |
21 |
Maxell, Ltd. | 2533 |
20 |
Verizon Patent And Licensing Inc. | 6900 |
18 |
Sonos, Inc. | 2274 |
17 |
Other owners | 1005 |