- 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: 104
10-year publication summary
|
11
|
13
|
20
|
7
|
7
|
8
|
6
|
9
|
8
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 22355 |
11 |
| LG Electronics Inc. | 69257 |
6 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
6 |
| Huawei Technologies Co., Ltd. | 100781 |
5 |
| ARRIS Enterprises LLC | 3432 |
5 |
| Qualcomm Incorporated | 76576 |
4 |
| Intel Corporation | 45621 |
4 |
| Ericsson | 20417 |
3 |
| Microsoft Technology Licensing, LLC | 51439 |
3 |
| Skyworks Solutions, Inc. | 3450 |
3 |
| Samsung Electronics Co., Ltd. | 131630 |
2 |
| NEC Corporation | 32703 |
2 |
| Texas Instruments Incorporated | 19376 |
2 |
| Thales SA | 2318 |
2 |
| Nokia Technologies Oy | 15057 |
2 |
| CommScope Technologies LLC | 4937 |
2 |
| Hiroshima University | 527 |
2 |
| Coms IP Holdings, LLC | 93 |
2 |
| Apple Inc. | 50209 |
1 |
| Toyota Motor Corporation | 28582 |
1 |
| Other owners | 36 |