- All sections
- H - Electricity
- H04B - Transmission
- H04B 1/28 - Circuits for superheterodyne receivers the receiver comprising at least one semiconductor device having three or more electrodes
Patent holdings for IPC class H04B 1/28
Total number of patents in this class: 267
10-year publication summary
|
17
|
13
|
15
|
10
|
16
|
10
|
6
|
6
|
11
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 84971 |
22 |
| Entropic Communications, LLC | 288 |
10 |
| Huawei Technologies Co., Ltd. | 111975 |
9 |
| Murata Manufacturing Co., Ltd. | 24465 |
9 |
| Samsung Electronics Co., Ltd. | 145416 |
8 |
| Ubiquiti Inc. | 342 |
8 |
| Avago Technologies International Sales Pte. Limited | 8777 |
8 |
| Peltbeam Inc. | 128 |
8 |
| Skyworks Solutions, Inc. | 3707 |
7 |
| Mediatek Inc. | 5099 |
6 |
| Media Tek Singapore Pte. Ltd. | 1074 |
4 |
| Realtek Semiconductor Corp. | 3278 |
4 |
| Silicon Laboratories Inc. | 1126 |
4 |
| Nokia Corporation | 5675 |
3 |
| Ericsson | 21704 |
3 |
| Intel Corporation | 46949 |
3 |
| Texas Instruments Incorporated | 19480 |
3 |
| Renesas Electronics Corporation | 6026 |
3 |
| Semiconductor Energy Laboratory Co., Ltd. | 11377 |
3 |
| NPX B.V. | 2538 |
3 |
| Other owners | 139 |