- 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: 59
10-year publication summary
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1
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3
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5
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5
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7
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8
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9
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8
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5
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4
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 24829 |
8 |
| Samsung Electronics Co., Ltd. | 147983 |
3 |
| Apple Inc. | 55640 |
3 |
| Qualcomm Incorporated | 86867 |
2 |
| LG Electronics Inc. | 73690 |
2 |
| Texas Instruments Incorporated | 19456 |
2 |
| Realtek Semiconductor Corp. | 3322 |
2 |
| Google LLC | 42673 |
2 |
| Ticona LLC | 599 |
2 |
| Honda Motor Co., Ltd. | 25780 |
1 |
| Sumitomo Electric Industries, Ltd. | 15659 |
1 |
| Fujitsu Limited | 17684 |
1 |
| Electronics and Telecommunications Research Institute | 9464 |
1 |
| Alcatel-Lucent USA Inc. | 552 |
1 |
| SK Hynix Inc. | 11526 |
1 |
| Huawei Technologies Co., Ltd. | 114320 |
1 |
| Raytheon Company | 8400 |
1 |
| NPX B.V. | 2582 |
1 |
| Motorola Solutions, Inc. | 4426 |
1 |
| Sumitomo Wiring Systems, Ltd. | 10494 |
1 |
| Other owners | 22 |