- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 7/52 - Systems for transmission of a pulse code modulated with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal
Patent holdings for IPC class H04N 7/52
Total number of patents in this class: 200
10-year publication summary
|
9
|
12
|
5
|
7
|
7
|
8
|
2
|
2
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ZTE Corporation | 44326 |
14 |
| Sony Group Corporation | 15934 |
8 |
| Electronics and Telecommunications Research Institute | 9711 |
7 |
| Thomson Licensing | 3165 |
7 |
| Samsung Electronics Co., Ltd. | 158842 |
6 |
| Huawei Technologies Co., Ltd. | 124630 |
5 |
| ARRIS Enterprises LLC | 3398 |
5 |
| DISH Technologies L.L.C. | 1600 |
5 |
| Telefonaktiebolaget LM Ericsson (publ) | 28880 |
5 |
| Bison Patent Licensing, LLC | 151 |
5 |
| Qualcomm Incorporated | 93172 |
4 |
| Disney Enterprises, Inc. | 6202 |
3 |
| LG Electronics Inc. | 75973 |
3 |
| Sony Ericsson Mobile Communications AB | 1347 |
3 |
| Nokia Corporation | 4687 |
3 |
| Panasonic Corporation | 18751 |
3 |
| Intel Corporation | 46449 |
3 |
| ATI Technologies ULC | 1600 |
3 |
| Snap Inc. | 6825 |
3 |
| Apple Inc. | 59177 |
2 |
| Other owners | 103 |