- All sections
- H - Electricity
- H03B - Generation of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching mannergeneration of noise by such circuits
- H03B 7/14 - Generation of oscillations using active element having a negative resistance between two of its electrodes with frequency-determining element comprising distributed inductance and capacitance active element being semiconductor device
Patent holdings for IPC class H03B 7/14
Total number of patents in this class: 49
10-year publication summary
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2
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1
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3
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3
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5
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2
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4
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1
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3
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1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 42505 |
17 |
| Canon Kabushiki Kaisha | 7249 |
7 |
| Rohm Co., Ltd. | 6772 |
5 |
| The Regents of the University of California | 20587 |
3 |
| Communications Research Laboratory, Inc. | 4 |
2 |
| Yokowo Co., Ltd. | 569 |
2 |
| Samsung Electronics Co., Ltd. | 154751 |
1 |
| Seiko Epson Corporation | 20043 |
1 |
| Infineon Technologies Austria AG | 2299 |
1 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 47602 |
1 |
| Enphase Energy, Inc. | 577 |
1 |
| Innovative Micro Technology | 22 |
1 |
| John Howard | 14 |
1 |
| National Institute of Information and Communication Technology | 6 |
1 |
| National Institute of Information and Communications Technology | 646 |
1 |
| SENSeOR | 14 |
1 |
| Tokyo Institute of Technology | 1324 |
1 |
| Atomica Corporation | 38 |
1 |
| Telefonaktiebolaget LM Ericsson (publ) | 28660 |
1 |
| Other owners | 0 |