- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 23/165 - Spectrum analysisFourier analysis using filters
Patent holdings for IPC class G01R 23/165
Total number of patents in this class: 133
10-year publication summary
|
15
|
7
|
9
|
15
|
7
|
10
|
11
|
16
|
10
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| National Instruments Corporation | 807 |
4 |
| Samsung Electronics Co., Ltd. | 139302 |
3 |
| Crfs Limited | 21 |
3 |
| Seescan, Inc. | 502 |
3 |
| Tektronix, Inc. | 668 |
3 |
| Zengar Institute Inc. | 14 |
3 |
| Ecotomorrow Korea Co., Ltd. | 3 |
3 |
| Schlumberger Technology Corporation | 10284 |
2 |
| Siemens AG | 24568 |
2 |
| Centre National de La Recherche Scientifique | 10124 |
2 |
| Seiko Epson Corporation | 19005 |
2 |
| Advantest Corporation | 1843 |
2 |
| Silicon Laboratories Inc. | 1123 |
2 |
| The Aerospace Corporation | 426 |
2 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 547 |
2 |
| Korea Electric Power Corporation | 468 |
2 |
| ROHDE & Schwarz GmbH & Co. KG | 1909 |
2 |
| Takemetuit Inc. | 5 |
2 |
| Erae AMS Co., Ltd. | 87 |
2 |
| Beta Air, LLC | 582 |
2 |
| Other owners | 85 |