- All sections
- H - Electricity
- H04H - Broadcast communication
- H04H 20/67 - Common-wave systems, i.e. using separate transmitters operating on substantially the same frequency
Patent holdings for IPC class H04H 20/67
Total number of patents in this class: 163
10-year publication summary
|
6
|
9
|
8
|
7
|
6
|
4
|
8
|
0
|
3
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Enensys Technologies | 64 |
15 |
| Qualcomm Incorporated | 93847 |
11 |
| Cisco Technology, Inc. | 22656 |
7 |
| TDF | 91 |
7 |
| Electronics and Telecommunications Research Institute | 9715 |
6 |
| Lazer Adds, LLC | 6 |
6 |
| Apple Inc. | 59414 |
5 |
| Gatesair, Inc. | 50 |
5 |
| ROHDE & Schwarz GmbH & Co. KG | 2001 |
5 |
| Samsung Electronics Co., Ltd. | 159473 |
3 |
| Thomson Licensing | 3150 |
3 |
| iBiquity Digital Corporation | 263 |
3 |
| The Nielsen Company (US), LLC | 2717 |
3 |
| Wi-lan Inc. | 140 |
3 |
| L3Harris Technologies, Inc. | 357 |
3 |
| LG Electronics Inc. | 76299 |
2 |
| Ericsson | 23154 |
2 |
| Sharp Corporation | 10894 |
2 |
| AT&T Mobility II LLC | 1897 |
2 |
| Harris Corporation | 1253 |
2 |
| Other owners | 68 |