- All sections
- H - Electricity
- H04B - Transmission
- H04B 1/54 - Circuits using the same frequency for two directions of communication
Patent holdings for IPC class H04B 1/54
Total number of patents in this class: 111
10-year publication summary
13
|
20
|
7
|
7
|
8
|
6
|
9
|
8
|
6
|
3
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Murata Manufacturing Co., Ltd. | 24526 |
11 |
LG Electronics Inc. | 73021 |
6 |
Huawei Technologies Co., Ltd. | 112438 |
6 |
ARRIS Enterprises LLC | 3443 |
6 |
Telefonaktiebolaget LM Ericsson (publ) | 27928 |
6 |
Qualcomm Incorporated | 85322 |
4 |
Ericsson | 21747 |
4 |
Intel Corporation | 46962 |
4 |
Microsoft Technology Licensing, LLC | 53720 |
3 |
Skyworks Solutions, Inc. | 3722 |
3 |
Samsung Electronics Co., Ltd. | 146092 |
2 |
NEC Corporation | 35652 |
2 |
Texas Instruments Incorporated | 19470 |
2 |
Thales SA | 2337 |
2 |
Nokia Technologies Oy | 17808 |
2 |
Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 20960 |
2 |
Hiroshima University | 561 |
2 |
Atmosic Technologies Inc. | 25 |
2 |
Coms IP Holdings, LLC | 84 |
2 |
Apple Inc. | 54844 |
1 |
Other owners | 39 |