- 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: 309
10-year publication summary
|
26
|
17
|
13
|
15
|
10
|
16
|
10
|
6
|
6
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 76576 |
19 |
| Skyworks Solutions, Inc. | 3450 |
11 |
| Avago Technologies International Sales Pte. Limited | 9260 |
11 |
| Entropic Communications, LLC | 289 |
10 |
| Huawei Technologies Co., Ltd. | 100781 |
9 |
| Silicon Laboratories Inc. | 1107 |
9 |
| Samsung Electronics Co., Ltd. | 131630 |
8 |
| Murata Manufacturing Co., Ltd. | 22355 |
8 |
| Mediatek Inc. | 4584 |
7 |
| Ubiquiti Inc. | 331 |
7 |
| Psemi Corporation | 898 |
6 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
6 |
| Peltbeam Inc. | 91 |
6 |
| Texas Instruments Incorporated | 19376 |
5 |
| Semiconductor Energy Laboratory Co., Ltd. | 10902 |
5 |
| Realtek Semiconductor Corp. | 3028 |
5 |
| Koninklijke Philips Electronics N.V. | 13133 |
4 |
| Media Tek Singapore Pte. Ltd. | 934 |
4 |
| Nokia Corporation | 6965 |
3 |
| Ericsson | 20417 |
3 |
| Other owners | 163 |