- All sections
- H - Electricity
- H04H - Broadcast communication
- H04H 20/28 - Arrangements for simultaneous broadcast of plural pieces of information
Patent holdings for IPC class H04H 20/28
Total number of patents in this class: 351
10-year publication summary
|
31
|
24
|
38
|
25
|
26
|
14
|
10
|
9
|
10
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 31550 |
60 |
| LG Electronics Inc. | 70957 |
18 |
| Saturn Licensing LLC | 1474 |
18 |
| Turner Broadcasting System, Inc. | 281 |
15 |
| Sharp Kabushiki Kaisha | 18873 |
12 |
| Panasonic Corporation | 20322 |
11 |
| Sony Group Corporation | 12632 |
11 |
| Sony Semiconductor Solutions Corporation | 9688 |
10 |
| Maxell, Ltd. | 2655 |
8 |
| Samsung Electronics Co., Ltd. | 138729 |
7 |
| NEC Corporation | 34371 |
7 |
| Nokia Corporation | 6167 |
7 |
| Hyundai Mobis Co., Ltd. | 2924 |
7 |
| Nippon Hoso Kyokai | 211 |
6 |
| Nokia Inc. | 1709 |
6 |
| Personalized Media Communications, LLC | 103 |
5 |
| Adeia Media Holdings LLC | 526 |
5 |
| Qualcomm Incorporated | 81758 |
4 |
| Time Warner Cable Enterprises LLC | 923 |
4 |
| Toshiba Infrastructure Systems & Solutions Corporation | 1015 |
4 |
| Other owners | 126 |