- All sections
- H - Electricity
- H04H - Broadcast communication
- H04H 20/30 - Arrangements for simultaneous broadcast of plural pieces of information by a single channel
Patent holdings for IPC class H04H 20/30
Total number of patents in this class: 142
10-year publication summary
|
15
|
20
|
16
|
17
|
11
|
7
|
3
|
3
|
3
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 69257 |
36 |
| iBiquity Digital Corporation | 267 |
36 |
| Samsung Electronics Co., Ltd. | 131630 |
6 |
| Hewlett-Packard Development Company, L.P. | 28538 |
6 |
| Electronics and Telecommunications Research Institute | 8830 |
4 |
| AT&T Intellectual Property I, L.P. | 9886 |
3 |
| Panasonic Corporation | 20786 |
3 |
| E-radio USA Inc. | 17 |
3 |
| Gatesair, Inc. | 65 |
3 |
| Personalized Media Communications, LLC | 103 |
3 |
| Cisco Technology, Inc. | 18858 |
2 |
| Huawei Technologies Co., Ltd. | 100781 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
2 |
| Crestron Electronics Inc. | 649 |
2 |
| Integrated Device Technology, Inc. | 736 |
2 |
| Nautel Limited | 21 |
2 |
| Nu Lightwave Logic LLC | 2 |
2 |
| Qualcomm Incorporated | 76576 |
1 |
| Sony Corporation | 32931 |
1 |
| NEC Corporation | 32703 |
1 |
| Other owners | 22 |