- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/4143 - PC [Personal Computer]
Patent holdings for IPC class H04N 21/4143
Total number of patents in this class: 191
10-year publication summary
26
|
25
|
20
|
19
|
16
|
23
|
13
|
6
|
7
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Open Text SA ULC | 665 |
14 |
Google LLC | 38759 |
12 |
Apple Inc. | 50209 |
11 |
TiVo Solutions Inc. | 287 |
11 |
Microsoft Technology Licensing, LLC | 51439 |
7 |
Universal Electronics Inc. | 687 |
7 |
Intel Corporation | 45621 |
6 |
Rateze Remote Mgmt. L.L.C. | 83 |
5 |
VMware LLC | 6078 |
5 |
AT&T Intellectual Property I, L.P. | 9886 |
4 |
DIRECTV, LLC | 812 |
4 |
Onstream Media Corporation | 7 |
4 |
Personalized Media Communications, LLC | 103 |
4 |
Maxell Holdings, Ltd. | 1422 |
4 |
Maxell, Ltd. | 2533 |
4 |
DISH Technologies L.L.C. | 1666 |
4 |
Avago Technologies International Sales Pte. Limited | 9260 |
4 |
Sony Corporation | 32931 |
3 |
Cisco Technology, Inc. | 18858 |
3 |
Allstate Insurance Company | 1695 |
3 |
Other owners | 72 |