- All sections
- H - Electricity
- H04H - Broadcast communication
- H04H 20/12 - Arrangements for monitoring, testing or troubleshooting
Patent holdings for IPC class H04H 20/12
Total number of patents in this class: 180
10-year publication summary
|
18
|
18
|
26
|
18
|
11
|
14
|
13
|
9
|
7
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| iBiquity Digital Corporation | 276 |
13 |
| Viavi Solutions Inc. | 1396 |
11 |
| DIRECTV, LLC | 797 |
7 |
| iHeartMedia Management Services, Inc. | 364 |
7 |
| Hitachi Kokusai Electric Inc. | 1039 |
6 |
| LG Electronics Inc. | 71039 |
5 |
| Spirent Communications, Inc. | 138 |
5 |
| DISH Technologies L.L.C. | 1664 |
5 |
| Promptlink Communications, Inc. | 31 |
5 |
| Makita Corporation | 2415 |
4 |
| ARRIS Enterprises LLC | 3437 |
4 |
| The Nielsen Company (US), LLC | 2645 |
4 |
| AT&T Intellectual Property I, L.P. | 9337 |
3 |
| NEC Corporation | 34413 |
3 |
| Imagination Technologies Limited | 1557 |
3 |
| Sony Semiconductor Solutions Corporation | 9714 |
3 |
| Time Warner Cable Enterprises LLC | 921 |
3 |
| Wi-lan Inc. | 150 |
3 |
| Qualcomm Incorporated | 81865 |
2 |
| Sony Corporation | 31541 |
2 |
| Other owners | 82 |