- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 23/16 - Spectrum analysisFourier analysis
Patent holdings for IPC class G01R 23/16
Total number of patents in this class: 565
10-year publication summary
|
37
|
42
|
41
|
41
|
43
|
44
|
48
|
46
|
36
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tektronix, Inc. | 668 |
33 |
| ROHDE & Schwarz GmbH & Co. KG | 1913 |
30 |
| Keysight Technologies, Inc. | 1191 |
18 |
| Mitsubishi Electric Corporation | 45372 |
15 |
| Advantest Corporation | 1835 |
8 |
| Samsung Electronics Co., Ltd. | 141952 |
6 |
| NEC Corporation | 34946 |
6 |
| Korea Electric Power Corporation | 467 |
6 |
| International Business Machines Corporation | 60549 |
5 |
| Texas Instruments Incorporated | 19472 |
5 |
| Toyo Corporation | 35 |
5 |
| Signal Hound, LLC | 8 |
5 |
| Siemens AG | 24560 |
4 |
| Hamamatsu Photonics K.K. | 4362 |
4 |
| Anritsu Company | 75 |
4 |
| Wobben Properties GmbH | 1211 |
4 |
| Mohr and Associates | 24 |
4 |
| Aira, Inc. | 110 |
4 |
| Power Probe Group, Inc. | 32 |
4 |
| Qualcomm Incorporated | 83447 |
3 |
| Other owners | 392 |