- 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: 244
10-year publication summary
|
13
|
15
|
10
|
16
|
10
|
6
|
6
|
11
|
3
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 92563 |
22 |
| Entropic Communications, LLC | 281 |
10 |
| Huawei Technologies Co., Ltd. | 123677 |
9 |
| Murata Manufacturing Co., Ltd. | 25776 |
9 |
| Ubiquiti Inc. | 355 |
8 |
| Avago Technologies International Sales Pte. Limited | 8546 |
8 |
| Peltbeam Inc. | 191 |
8 |
| Samsung Electronics Co., Ltd. | 158156 |
7 |
| Mediatek Inc. | 5365 |
5 |
| Skyworks Solutions, Inc. | 3959 |
5 |
| Media Tek Singapore Pte. Ltd. | 1118 |
4 |
| Silicon Laboratories Inc. | 1180 |
4 |
| Nokia Corporation | 4761 |
3 |
| Intel Corporation | 47100 |
3 |
| Renesas Electronics Corporation | 5866 |
3 |
| Semiconductor Energy Laboratory Co., Ltd. | 11842 |
3 |
| Realtek Semiconductor Corp. | 3505 |
3 |
| Aviat U.S., Inc. | 206 |
3 |
| Qorvo US, Inc. | 2407 |
3 |
| Sago Strategic Solutions LLC | 105 |
3 |
| Other owners | 121 |