- All sections
- H - Electricity
- H04B - Transmission
- H04B 1/525 - Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa with means for reducing leakage of transmitter signal into the receiver
Patent holdings for IPC class H04B 1/525
Total number of patents in this class: 1258
10-year publication summary
|
175
|
123
|
159
|
149
|
89
|
88
|
82
|
103
|
67
|
67
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 87720 |
154 |
| Murata Manufacturing Co., Ltd. | 25020 |
87 |
| Huawei Technologies Co., Ltd. | 116003 |
71 |
| Ericsson | 22003 |
60 |
| Telefonaktiebolaget LM Ericsson (publ) | 28486 |
52 |
| Apple Inc. | 56466 |
42 |
| Skyworks Solutions, Inc. | 3815 |
42 |
| LG Electronics Inc. | 73825 |
40 |
| Intel Corporation | 46471 |
37 |
| Samsung Electronics Co., Ltd. | 149198 |
30 |
| Qorvo US, Inc. | 2294 |
20 |
| Outdoor Wireless Networks LLC | 2041 |
18 |
| Micron Technology, Inc. | 26591 |
15 |
| ZTE Corporation | 43082 |
14 |
| Avago Technologies International Sales Pte. Limited | 8653 |
14 |
| Estelgia, LLC | 76 |
13 |
| Infineon Technologies AG | 8293 |
12 |
| Nokia Solutions And Networks Oy | 6878 |
11 |
| Electronics and Telecommunications Research Institute | 9359 |
10 |
| Raytheon Company | 8447 |
10 |
| Other owners | 506 |