- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 13/30 - Circuits for inserting reference markers, e.g. for timing, for calibrating, for frequency marking
Patent holdings for IPC class G01R 13/30
Total number of patents in this class: 9
10-year publication summary
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0
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1
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0
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1
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1
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0
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1
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0
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0
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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
|
|---|---|---|
| ROHDE & Schwarz GmbH & Co. KG | 1995 |
2 |
| Panasonic Corporation | 18716 |
1 |
| Microsoft Technology Licensing, LLC | 54586 |
1 |
| Siemens Industry, Inc. | 1589 |
1 |
| Innovative Diagnostic Systems, Inc. | 1 |
1 |
| Keysight Technologies, Inc. | 1271 |
1 |
| Mnemonics, Inc. | 8 |
1 |
| Hitachi Energy Ltd. | 2642 |
1 |
| Other owners | 0 |