- All sections
- H - Electricity
- H04B - Transmission
- H04B 1/405 - Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency with multiple discrete channels
Patent holdings for IPC class H04B 1/405
Total number of patents in this class: 49
10-year publication summary
|
2
|
1
|
3
|
5
|
5
|
7
|
8
|
9
|
8
|
2
|
| 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 |
8 |
| Samsung Electronics Co., Ltd. | 131630 |
3 |
| Apple Inc. | 50209 |
3 |
| LG Electronics Inc. | 69257 |
2 |
| Realtek Semiconductor Corp. | 3028 |
2 |
| Google LLC | 38759 |
2 |
| Qualcomm Incorporated | 76576 |
1 |
| Honda Motor Co., Ltd. | 24537 |
1 |
| Fujitsu Limited | 19265 |
1 |
| Texas Instruments Incorporated | 19376 |
1 |
| Electronics and Telecommunications Research Institute | 8830 |
1 |
| Alcatel-Lucent USA Inc. | 604 |
1 |
| Huawei Technologies Co., Ltd. | 100781 |
1 |
| Raytheon Company | 8535 |
1 |
| NPX B.V. | 2204 |
1 |
| Motorola Solutions, Inc. | 4355 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
1 |
| JVC Kenwood Corporation | 2774 |
1 |
| Rockwell Collins, Inc. | 2402 |
1 |
| Advantest Corporation | 1939 |
1 |
| Other owners | 15 |