- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 13/40 - Arrangements for displaying electric variables or waveforms using modulation of a light beam otherwise than by mechanical displacement, e.g. by Kerr effect
Patent holdings for IPC class G01R 13/40
Total number of patents in this class: 32
10-year publication summary
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3
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4
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5
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4
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2
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2
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2
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2
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1
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| STB Electrical Test Equipment, Inc. | 4 |
4 |
| Google LLC | 42379 |
2 |
| ROHDE & Schwarz GmbH & Co. KG | 1945 |
2 |
| University of Electronic Science and Technology of China | 419 |
2 |
| LG Chem, Ltd. | 17641 |
1 |
| Centre National de La Recherche Scientifique | 10465 |
1 |
| 2 Bit, Inc. | 2 |
1 |
| Allen & Heath Limited | 60 |
1 |
| DCG Systems, Inc. | 57 |
1 |
| FormFactor, Inc. | 287 |
1 |
| Hindle Power, Inc. | 9 |
1 |
| Johnson Controls Automotive Electronics GmbH | 43 |
1 |
| Keithley Instruments, LLC | 79 |
1 |
| KEYENCE Corporation | 448 |
1 |
| Micatu Inc. | 52 |
1 |
| Panduit Corp. | 1002 |
1 |
| Remake Electric ehf | 3 |
1 |
| ROHDE & Schwarz GmbH & Co. KG | 6 |
1 |
| Stellenbosch University | 242 |
1 |
| Sybre Limited | 6 |
1 |
| Other owners | 6 |