- 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: 233
10-year publication summary
|
13
|
9
|
12
|
5
|
7
|
7
|
8
|
2
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ZTE Corporation | 41819 |
16 |
| Samsung Electronics Co., Ltd. | 143021 |
8 |
| Electronics and Telecommunications Research Institute | 9248 |
8 |
| Thomson Licensing | 3693 |
8 |
| Sony Group Corporation | 13314 |
8 |
| Telefonaktiebolaget LM Ericsson (publ) | 27732 |
7 |
| LG Electronics Inc. | 72143 |
6 |
| Huawei Technologies Co., Ltd. | 110033 |
6 |
| Qualcomm Incorporated | 83961 |
5 |
| ARRIS Enterprises LLC | 3444 |
5 |
| DISH Technologies L.L.C. | 1611 |
5 |
| NXP B.V. | 2042 |
5 |
| Bison Patent Licensing, LLC | 173 |
5 |
| Disney Enterprises, Inc. | 6071 |
3 |
| Sony Ericsson Mobile Communications AB | 1828 |
3 |
| Nokia Corporation | 5866 |
3 |
| Panasonic Corporation | 20198 |
3 |
| Intel Corporation | 46631 |
3 |
| ATI Technologies ULC | 1517 |
3 |
| Snap Inc. | 5632 |
3 |
| Other owners | 120 |