- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 27/148 - Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using filters, including PLL-type filters
Patent holdings for IPC class H04L 27/148
Total number of patents in this class: 128
10-year publication summary
|
21
|
19
|
14
|
21
|
15
|
16
|
7
|
9
|
8
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 32931 |
6 |
| Huawei Technologies Co., Ltd. | 100781 |
6 |
| Genghiscomm Holdings, LLC | 41 |
6 |
| Samsung Electronics Co., Ltd. | 131630 |
5 |
| Ericsson | 20417 |
5 |
| Texas Instruments Incorporated | 19376 |
4 |
| Kandou Labs, S.A. | 312 |
4 |
| Proteus Digital Health, Inc. | 161 |
4 |
| Cluster LLC | 17 |
4 |
| Topcon Positioning Systems, Inc. | 308 |
3 |
| Wuxi China Resources Semico Co., Ltd | 13 |
3 |
| Qualcomm Incorporated | 76576 |
2 |
| The Regents of the University of California | 18943 |
2 |
| Infineon Technologies AG | 8189 |
2 |
| Seagate Technology LLC | 4228 |
2 |
| Cypress Semiconductor Corporation | 1642 |
2 |
| Realtek Semiconductor Corp. | 3028 |
2 |
| Silicon Laboratories Inc. | 1107 |
2 |
| Abov Semiconductor Co., Ltd. | 32 |
2 |
| Astrapi Corporation | 51 |
2 |
| Other owners | 60 |