- All sections
- H - Electricity
- H04H - Broadcast communication
- H04H 20/18 - Arrangements for synchronising broadcast or distribution via plural systems
Patent holdings for IPC class H04H 20/18
Total number of patents in this class: 210
10-year publication summary
|
13
|
20
|
26
|
22
|
24
|
20
|
19
|
5
|
11
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Google Technology Holdings LLC | 2658 |
13 |
| Panasonic Intellectual Property Corporation of America | 7230 |
11 |
| LG Electronics Inc. | 69257 |
8 |
| Sony Corporation | 32931 |
8 |
| iBiquity Digital Corporation | 267 |
8 |
| Sonos, Inc. | 2274 |
8 |
| Enensys Technologies | 62 |
6 |
| Time Warner Cable Enterprises LLC | 945 |
6 |
| Samsung Electronics Co., Ltd. | 131630 |
5 |
| Qualcomm Incorporated | 76576 |
5 |
| Comcast Cable Communications, LLC | 4075 |
5 |
| iHeartMedia Management Services, Inc. | 362 |
5 |
| Saturn Licensing LLC | 1502 |
5 |
| WISER Systems, Inc. | 40 |
5 |
| Bose Corporation | 2880 |
4 |
| Sinclair Broadcast Group, Inc. | 66 |
4 |
| TDF | 106 |
4 |
| Lazer Adds, LLC | 7 |
4 |
| NEC Corporation | 32703 |
3 |
| Yamaha Corporation | 4054 |
3 |
| Other owners | 90 |