• 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