- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/242 - Synchronization processes, e.g. processing of PCR [Program Clock References]
Patent holdings for IPC class H04N 21/242
Total number of patents in this class: 1287
10-year publication summary
140
|
206
|
124
|
141
|
143
|
136
|
148
|
106
|
80
|
19
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Panasonic Intellectual Property Corporation of America | 7230 |
41 |
Sony Corporation | 32931 |
38 |
Comcast Cable Communications, LLC | 4075 |
36 |
Saturn Licensing LLC | 1502 |
31 |
ARRIS Enterprises LLC | 3432 |
27 |
LG Electronics Inc. | 69257 |
25 |
Samsung Electronics Co., Ltd. | 131630 |
24 |
Google LLC | 38759 |
22 |
Amazon Technologies, Inc. | 24422 |
21 |
Grass Valley Canada | 242 |
17 |
DivX, LLC | 274 |
16 |
Sony Interactive Entertainment Inc. | 5162 |
16 |
DISH Technologies L.L.C. | 1666 |
16 |
Sonos, Inc. | 2274 |
15 |
TiVo Solutions Inc. | 287 |
15 |
Apple Inc. | 50209 |
14 |
AT&T Intellectual Property I, L.P. | 9886 |
14 |
Avago Technologies International Sales Pte. Limited | 9260 |
13 |
Microsoft Technology Licensing, LLC | 51439 |
12 |
Disney Enterprises, Inc. | 6012 |
11 |
Other owners | 863 |