- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 7/54 - 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 the signals being synchronous
Patent holdings for IPC class H04N 7/54
Total number of patents in this class: 37
10-year publication summary
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2
|
5
|
2
|
2
|
3
|
3
|
2
|
3
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1
|
0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 70957 |
5 |
| Biamp Systems, LLC | 230 |
4 |
| Qualcomm Incorporated | 81758 |
3 |
| ZTE Corporation | 41075 |
2 |
| Sony Interactive Entertainment Inc. | 5507 |
2 |
| Telesofia Medical Ltd. | 4 |
2 |
| Nokia Corporation | 6167 |
1 |
| Canon Inc. | 38114 |
1 |
| Cisco Technology, Inc. | 19332 |
1 |
| Electronics and Telecommunications Research Institute | 9012 |
1 |
| Olympus Corporation | 13281 |
1 |
| Amazon Technologies, Inc. | 25884 |
1 |
| Motorola, Inc. | 2389 |
1 |
| CJ 4DPLEX Co., Ltd. | 85 |
1 |
| Gentex Corporation | 1880 |
1 |
| Nokia Inc. | 1709 |
1 |
| Sanechips Technology Co., Ltd. | 1134 |
1 |
| The University of Warwick | 245 |
1 |
| Shenzhen TCL New Technology Company Limited | 785 |
1 |
| InterDigital Madison Patent Holdings | 559 |
1 |
| Other owners | 5 |