- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 25/493 - Transmitting circuitsReceiving circuits using code conversion at the transmitterTransmitting circuitsReceiving circuits using predistortionTransmitting circuitsReceiving circuits using insertion of idle bits for obtaining a desired frequency spectrumTransmitting circuitsReceiving circuits using three or more amplitude levels by transition coding, i.e. the time-position or direction of a transition being encoded before transmission
Patent holdings for IPC class H04L 25/493
Total number of patents in this class: 80
10-year publication summary
|
17
|
7
|
8
|
7
|
5
|
5
|
5
|
3
|
3
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 84501 |
20 |
| Kandou Labs, S.A. | 326 |
5 |
| Samsung Display Co., Ltd. | 34230 |
4 |
| Sony Semiconductor Solutions Corporation | 10271 |
4 |
| Huawei Technologies Co., Ltd. | 110995 |
3 |
| Sony Corporation | 31148 |
2 |
| Hitachi, Ltd. | 15434 |
2 |
| Infineon Technologies AG | 8199 |
2 |
| Carrier Corporation | 4356 |
2 |
| Lattice Semiconductor Corporation | 656 |
2 |
| Maschinenfabrik Reinhausen GmbH | 745 |
2 |
| Samsung Electronics Co., Ltd. | 144143 |
1 |
| Apple Inc. | 54479 |
1 |
| LG Electronics Inc. | 72473 |
1 |
| Mitsubishi Electric Corporation | 45811 |
1 |
| Raytheon Company | 8388 |
1 |
| NPX B.V. | 2498 |
1 |
| Mediatek Inc. | 5050 |
1 |
| Rohm Co., Ltd. | 6411 |
1 |
| ZTE Corporation | 42015 |
1 |
| Other owners | 23 |