- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 31/72 - Testing of electric windings
Patent holdings for IPC class G01R 31/72
Total number of patents in this class: 113
10-year publication summary
|
1
|
2
|
4
|
11
|
15
|
17
|
18
|
11
|
13
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46160 |
7 |
| Omicron Electronics GmbH | 272 |
6 |
| Hamilton Sundstrand Corporation | 4888 |
4 |
| Hioki E.E. Corporation | 136 |
3 |
| National University of Singapore | 2453 |
3 |
| Sembcorp Industries Ltd | 32 |
3 |
| Siemens Energy Global GmbH & Co. KG | 2974 |
3 |
| Continental Automotive Technologies GmbH | 2879 |
3 |
| Hitachi Energy Ltd. | 2233 |
3 |
| Xerox Corporation | 7000 |
2 |
| Hitachi, Ltd. | 15499 |
2 |
| Texas Instruments Incorporated | 19448 |
2 |
| Samsung Electro-mechanics Co., Ltd. | 5620 |
2 |
| Magna International Inc. | 1231 |
2 |
| S & C Electric Co. | 293 |
2 |
| Saia-Burgess LLC | 32 |
2 |
| Shanghai United Imaging Healthcare Co., Ltd. | 1917 |
2 |
| Eaton Intelligent Power Limited | 5993 |
2 |
| Danfoss A/S | 1353 |
2 |
| Camozzi Automation S.p.A. | 50 |
2 |
| Other owners | 56 |