- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 27/148 - Demodulator circuitsReceiver 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: 133
10-year publication summary
|
14
|
21
|
15
|
16
|
7
|
9
|
8
|
6
|
6
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 30353 |
6 |
| Ericsson | 22331 |
6 |
| Huawei Technologies Co., Ltd. | 120888 |
6 |
| Samsung Electronics Co., Ltd. | 154751 |
5 |
| Otsuka Pharmaceutical Co., Ltd. | 1502 |
5 |
| Texas Instruments Incorporated | 19628 |
4 |
| Kandou Labs, S.A. | 334 |
4 |
| Cluster LLC | 12 |
4 |
| Qualcomm Incorporated | 90674 |
3 |
| Infineon Technologies AG | 8382 |
3 |
| Realtek Semiconductor Corp. | 3450 |
3 |
| The MITRE Corporation | 452 |
3 |
| Topcon Positioning Systems, Inc. | 332 |
3 |
| Wuxi China Resources Semico Co., Ltd | 13 |
3 |
| The Regents of the University of California | 20587 |
2 |
| Canon Inc. | 42505 |
2 |
| Silicon Laboratories Inc. | 1172 |
2 |
| Abov Semiconductor Co., Ltd. | 35 |
2 |
| Astrapi Corporation | 52 |
2 |
| Cohere Technologies, Inc. | 228 |
2 |
| Other owners | 63 |