- All sections
- G - Physics
- G01B - Measuring length, thickness or similar linear dimensions; measuring angles; measuring areas; measuring irregularities of surfaces or contours
- G01B 9/023 - Interferometers using holographic techniques for contour producing
Patent holdings for IPC class G01B 9/023
Total number of patents in this class: 17
10-year publication summary
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4
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1
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1
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1
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1
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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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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Broetje Automation GmbH | 98 |
2 |
| Helsingin Yliopisto | 101 |
2 |
| Canon Inc. | 36841 |
1 |
| 3dragons, LLC | 3 |
1 |
| CKD Corporation | 424 |
1 |
| Fifth Third Bank | 24 |
1 |
| Orbotech Ltd. | 180 |
1 |
| TESCAN ORSAY HOLDING, a.s. | 3 |
1 |
| Universite Libre de Bruxelles | 315 |
1 |
| Vanderbilt University | 1731 |
1 |
| Vysoke Uceni Technicke V Brne | 48 |
1 |
| Apre Instruments, LLC | 8 |
1 |
| OTI Ophthalmic Technologies Inc. | 7 |
1 |
| Guangzhou Winstar Medical Technology Company Limited | 31 |
1 |
| Ler Technologies | 3 |
1 |
| Other owners | 0 |