- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/4425 - Monitoring of client processing errors or hardware failure
Patent holdings for IPC class H04N 21/4425
Total number of patents in this class: 250
10-year publication summary
|
33
|
26
|
27
|
18
|
14
|
13
|
22
|
17
|
12
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 73690 |
19 |
| DISH Technologies L.L.C. | 1608 |
13 |
| Sony Corporation | 30910 |
11 |
| ARRIS Enterprises LLC | 3473 |
10 |
| Sonos, Inc. | 2660 |
9 |
| Samsung Electronics Co., Ltd. | 147983 |
8 |
| Mux, Inc. | 42 |
7 |
| AT&T Intellectual Property I, L.P. | 9599 |
5 |
| DISH Network L.L.C. | 897 |
5 |
| Sony Semiconductor Solutions Corporation | 10700 |
5 |
| Mitsubishi Electric Corporation | 46590 |
4 |
| Amobee, Inc. | 74 |
4 |
| The Nielsen Company (US), LLC | 2662 |
4 |
| Tencent Technology (Shenzhen) Company Limited | 14960 |
4 |
| Sharp Kabushiki Kaisha | 18694 |
4 |
| Panasonic Corporation | 20030 |
3 |
| Cisco Technology, Inc. | 22033 |
3 |
| Amazon Technologies, Inc. | 27025 |
3 |
| Microsoft Technology Licensing, LLC | 54000 |
3 |
| Accenture Global Solutions Limited | 2314 |
3 |
| Other owners | 123 |