- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 23/167 - Spectrum analysisFourier analysis using filters with digital filters
Patent holdings for IPC class G01R 23/167
Total number of patents in this class: 83
10-year publication summary
|
8
|
8
|
12
|
10
|
8
|
5
|
4
|
9
|
6
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ROHDE & Schwarz GmbH & Co. KG | 1971 |
3 |
| Zengar Institute Inc. | 14 |
3 |
| Siemens AG | 24333 |
2 |
| Mitsubishi Electric Corporation | 46926 |
2 |
| Murata Manufacturing Co., Ltd. | 25001 |
2 |
| Airbus Defence and Space SAS | 576 |
2 |
| Anritsu Corporation | 412 |
2 |
| Astrapi Corporation | 52 |
2 |
| Innertron, Inc. | 30 |
2 |
| Innowireless Co., Ltd. | 103 |
2 |
| Keysight Technologies, Inc. | 1205 |
2 |
| Oxford University Innovation Limited | 1576 |
2 |
| Tektronix, Inc. | 672 |
2 |
| University of Mississippi | 157 |
2 |
| Zynaptiq GmbH | 23 |
2 |
| Landis+Gyr Technology, Inc. | 466 |
2 |
| Hitachi Energy Ltd. | 2331 |
2 |
| The Boeing Company | 20163 |
1 |
| Nokia Corporation | 5386 |
1 |
| Seiko Epson Corporation | 19699 |
1 |
| Other owners | 44 |