- 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 | 84335 |
20 |
Kandou Labs, S.A. | 325 |
5 |
Samsung Display Co., Ltd. | 34170 |
4 |
Sony Semiconductor Solutions Corporation | 10238 |
4 |
Huawei Technologies Co., Ltd. | 110803 |
3 |
Sony Corporation | 31157 |
2 |
Hitachi, Ltd. | 15416 |
2 |
Infineon Technologies AG | 8190 |
2 |
Carrier Corporation | 4364 |
2 |
Lattice Semiconductor Corporation | 656 |
2 |
Maschinenfabrik Reinhausen GmbH | 748 |
2 |
Samsung Electronics Co., Ltd. | 143812 |
1 |
Apple Inc. | 54416 |
1 |
LG Electronics Inc. | 72357 |
1 |
Mitsubishi Electric Corporation | 45752 |
1 |
Raytheon Company | 8395 |
1 |
NPX B.V. | 2471 |
1 |
Mediatek Inc. | 5044 |
1 |
Rohm Co., Ltd. | 6411 |
1 |
ZTE Corporation | 41969 |
1 |
Other owners | 23 |