- All sections
- H - Electricity
- H03B - Generation of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner; generation of noise by such circuits
- H03B 21/01 - Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies
Patent holdings for IPC class H03B 21/01
Total number of patents in this class: 31
10-year publication summary
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1
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2
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1
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2
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1
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6
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1
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1
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1
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1
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 76576 |
4 |
| Giga-Tronics, Inc. | 7 |
4 |
| Samsung Electronics Co., Ltd. | 131630 |
2 |
| Via Technologies, Inc. | 1329 |
2 |
| BAE SYSTEMS plc | 2215 |
2 |
| Shenzhen Goodix Technology Co., Ltd. | 2241 |
2 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
2 |
| NEC Corporation | 32703 |
1 |
| Intel Corporation | 45621 |
1 |
| Fujitsu Limited | 19265 |
1 |
| Raytheon Company | 8535 |
1 |
| Raytheon Canada Limited | 152 |
1 |
| Analog Devices, Inc. | 3475 |
1 |
| Integrated Device Technology, Inc. | 736 |
1 |
| Intel IP Corporation | 2198 |
1 |
| ROHDE & Schwarz GmbH & Co. KG | 1831 |
1 |
| Siemens Healthineers AG | 5714 |
1 |
| Avago Technologies International Sales Pte. Limited | 9260 |
1 |
| Université Paris-saclay | 431 |
1 |
| R.f.architecture Co., Ltd. | 4 |
1 |
| Other owners | 0 |