- All sections
- H - Electricity
- H04B - Transmission
- H04B 1/50 - Circuits using different frequencies for the two directions of communication
Patent holdings for IPC class H04B 1/50
Total number of patents in this class: 508
10-year publication summary
|
36
|
33
|
43
|
33
|
50
|
51
|
40
|
25
|
24
|
19
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 25744 |
112 |
| Samsung Electronics Co., Ltd. | 157719 |
102 |
| Qualcomm Incorporated | 92196 |
27 |
| Huawei Technologies Co., Ltd. | 123385 |
20 |
| Skyworks Solutions, Inc. | 3950 |
15 |
| Intel Corporation | 47106 |
14 |
| LG Electronics Inc. | 75694 |
13 |
| Apple Inc. | 58742 |
11 |
| Infineon Technologies AG | 8402 |
10 |
| Ericsson | 22717 |
8 |
| Kyocera Corporation | 14359 |
8 |
| NEC Corporation | 37004 |
6 |
| Coms IP Holdings, LLC | 83 |
6 |
| Taiyo Yuden Co., Ltd. | 2029 |
5 |
| ZTE Corporation | 44170 |
4 |
| Huizhou TCL Mobile Communication Co., Ltd. | 1139 |
4 |
| Humatics Corporation | 70 |
4 |
| Qorvo US, Inc. | 2396 |
4 |
| AT&T Intellectual Property I, L.P. | 9995 |
3 |
| Panasonic Corporation | 19019 |
3 |
| Other owners | 129 |