- 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: 123
10-year publication summary
|
2
|
4
|
11
|
15
|
17
|
18
|
12
|
13
|
15
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 47971 |
7 |
| Omicron Electronics GmbH | 281 |
6 |
| Hitachi Energy Ltd. | 2568 |
5 |
| Hamilton Sundstrand Corporation | 5016 |
4 |
| Hioki E.E. Corporation | 163 |
3 |
| National University of Singapore | 2582 |
3 |
| Sembcorp Industries Ltd | 33 |
3 |
| Eaton Intelligent Power Limited | 6236 |
3 |
| Siemens Energy Global GmbH & Co. KG | 3335 |
3 |
| Continental Automotive Technologies GmbH | 2817 |
3 |
| Hitachi, Ltd. | 16071 |
2 |
| Texas Instruments Incorporated | 19663 |
2 |
| Samsung Electro-mechanics Co., Ltd. | 6073 |
2 |
| Megger Instruments Limited | 40 |
2 |
| S & C Electric Co. | 281 |
2 |
| Saia-Burgess LLC | 43 |
2 |
| Shanghai United Imaging Healthcare Co., Ltd. | 2114 |
2 |
| Danfoss A/S | 1428 |
2 |
| Camozzi Automation S.p.A. | 54 |
2 |
| Vitesco Technologies GmbH | 2398 |
2 |
| Other owners | 63 |