- 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: 340
10-year publication summary
|
20
|
32
|
22
|
26
|
14
|
10
|
7
|
10
|
5
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 30735 |
60 |
| Saturn Licensing LLC | 1442 |
18 |
| LG Electronics Inc. | 73967 |
17 |
| Turner Broadcasting System, Inc. | 286 |
15 |
| Sony Group Corporation | 14674 |
14 |
| Sharp Kabushiki Kaisha | 18590 |
12 |
| Panasonic Corporation | 19924 |
11 |
| Sony Semiconductor Solutions Corporation | 10923 |
9 |
| Maxell, Ltd. | 2880 |
9 |
| Samsung Electronics Co., Ltd. | 149838 |
7 |
| NEC Corporation | 36334 |
7 |
| Hyundai Mobis Co., Ltd. | 3333 |
7 |
| Nippon Hoso Kyokai | 225 |
6 |
| Adeia Media Holdings LLC | 606 |
6 |
| Nokia Corporation | 5315 |
5 |
| Nokia Inc. | 1356 |
5 |
| Contentnexus LLC | 96 |
5 |
| Qualcomm Incorporated | 88095 |
4 |
| Time Warner Cable Enterprises LLC | 879 |
4 |
| Toshiba Infrastructure Systems & Solutions Corporation | 705 |
4 |
| Other owners | 115 |