- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 25/493 - Transmitting circuits; Receiving 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: 78
10-year publication summary
|
6
|
17
|
7
|
8
|
7
|
5
|
5
|
5
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 76576 |
21 |
| Kandou Labs, S.A. | 312 |
5 |
| Sony Semiconductor Solutions Corporation | 8770 |
4 |
| Huawei Technologies Co., Ltd. | 100781 |
3 |
| Sony Corporation | 32931 |
2 |
| Hitachi, Ltd. | 16452 |
2 |
| Infineon Technologies AG | 8189 |
2 |
| Carrier Corporation | 4759 |
2 |
| Lattice Semiconductor Corporation | 705 |
2 |
| Maschinenfabrik Reinhausen GmbH | 749 |
2 |
| STMicroelectronics (Research & Development) Limited | 422 |
2 |
| Samsung Electronics Co., Ltd. | 131630 |
1 |
| Apple Inc. | 50209 |
1 |
| Samsung Display Co., Ltd. | 30585 |
1 |
| LG Electronics Inc. | 69257 |
1 |
| Mitsubishi Electric Corporation | 43934 |
1 |
| Raytheon Company | 8535 |
1 |
| NPX B.V. | 2204 |
1 |
| Mediatek Inc. | 4584 |
1 |
| Rohm Co., Ltd. | 5843 |
1 |
| Other owners | 22 |