- 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: 363
10-year publication summary
36
|
31
|
24
|
38
|
25
|
26
|
14
|
10
|
9
|
4
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Sony Corporation | 32931 |
61 |
LG Electronics Inc. | 69257 |
18 |
Saturn Licensing LLC | 1502 |
17 |
Turner Broadcasting System, Inc. | 276 |
15 |
Sharp Kabushiki Kaisha | 18957 |
12 |
Panasonic Corporation | 20786 |
11 |
Sony Semiconductor Solutions Corporation | 8770 |
11 |
Nokia Corporation | 6965 |
9 |
Samsung Electronics Co., Ltd. | 131630 |
8 |
Sony Group Corporation | 10730 |
8 |
NEC Corporation | 32703 |
7 |
Hyundai Mobis Co., Ltd. | 2668 |
7 |
Nokia Inc. | 2036 |
7 |
Maxell, Ltd. | 2533 |
7 |
Nippon Hoso Kyokai | 203 |
6 |
Personalized Media Communications, LLC | 103 |
5 |
TiVo Corporation | 462 |
5 |
Qualcomm Incorporated | 76576 |
4 |
AT&T Intellectual Property I, L.P. | 9886 |
4 |
Time Warner Cable Enterprises LLC | 945 |
4 |
Other owners | 137 |