- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 23/09 - Arrangements for measuring frequency, e.g. pulse repetition rateArrangements for measuring period of current or voltage by converting frequency into an amplitude of current or voltage using analogue integrators, e.g. capacitors establishing a mean value by balance of input signals and defined discharge signals or leakage
Patent holdings for IPC class G01R 23/09
Total number of patents in this class: 12
10-year publication summary
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0
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2
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1
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2
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0
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1
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0
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4
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1
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Apple Inc. | 58742 |
3 |
| Qualcomm Incorporated | 92196 |
1 |
| Rohm Co., Ltd. | 6826 |
1 |
| Sandisk Technologies Inc. | 5438 |
1 |
| Schaeffler Technologies AG & Co. KG | 10968 |
1 |
| FANUC Corporation | 7217 |
1 |
| General Interface Solution Limited | 190 |
1 |
| Interface Optoelectronics (Shenzhen) Co., Ltd. | 202 |
1 |
| NXP USA, Inc. | 4401 |
1 |
| Interface Technology (ChengDu) Co., Ltd. | 141 |
1 |
| Other owners | 0 |