- All sections
- H - Electricity
- H04H - Broadcast communication
- H04H 20/81 - Wired systems using carrier waves combined with telephone network over which the broadcast is continuously available
Patent holdings for IPC class H04H 20/81
Total number of patents in this class: 12
10-year publication summary
|
1
|
0
|
2
|
1
|
4
|
0
|
0
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 75855 |
3 |
| KVH Industries, Inc. | 67 |
3 |
| International Business Machines Corporation | 62748 |
2 |
| Samsung Electronics Co., Ltd. | 158442 |
1 |
| Comcast Cable Communications, LLC | 5199 |
1 |
| Time Warner Cable Enterprises LLC | 850 |
1 |
| University of Seoul Industry Cooperation Foundation | 311 |
1 |
| Other owners | 0 |