- 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: 1899
10-year publication summary
215
|
226
|
194
|
176
|
163
|
132
|
117
|
111
|
100
|
61
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Samsung Electronics Co., Ltd. | 146811 |
180 |
LG Electronics Inc. | 73344 |
109 |
Roku, Inc. | 1406 |
52 |
Google LLC | 42333 |
49 |
Saturn Licensing LLC | 1442 |
48 |
Sony Corporation | 31025 |
40 |
Adeia Guides Inc. | 3299 |
36 |
Apple Inc. | 55174 |
34 |
DISH Technologies L.L.C. | 1608 |
33 |
Qualcomm Incorporated | 85833 |
32 |
AT&T Intellectual Property I, L.P. | 9533 |
32 |
Comcast Cable Communications, LLC | 4713 |
30 |
Intel Corporation | 47033 |
27 |
ARRIS Enterprises LLC | 3452 |
27 |
Microsoft Technology Licensing, LLC | 53786 |
26 |
Hisense Visual Technology Co., Ltd. | 878 |
25 |
Shenzhen TCL Digital Technology Ltd. | 454 |
22 |
Maxell, Ltd. | 2804 |
22 |
Sonos, Inc. | 2627 |
19 |
Verizon Patent And Licensing Inc. | 7114 |
18 |
Other owners | 1038 |