- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 31/12 - Testing dielectric strength or breakdown voltage
Patent holdings for IPC class G01R 31/12
Total number of patents in this class: 1936
10-year publication summary
|
108
|
96
|
95
|
127
|
154
|
138
|
147
|
143
|
138
|
19
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 47352 |
64 |
| Siemens AG | 24278 |
48 |
| State Grid Corporation of China | 1384 |
34 |
| Bender GmbH & Co. KG | 128 |
28 |
| Prysmian S.p.A. | 908 |
28 |
| ABB Schweiz AG | 7313 |
27 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10979 |
20 |
| Eaton Intelligent Power Limited | 6109 |
19 |
| LG Energy Solution, Ltd. | 16722 |
17 |
| Korea Electric Power Corporation | 470 |
16 |
| Nitto Kogyo Corporation | 45 |
16 |
| Schneider Electric USA, Inc. | 1328 |
16 |
| LS ELECTRIC Co., Ltd | 767 |
15 |
| 3m Innovative Properties Company | 17592 |
14 |
| Alstom Technology Ltd | 1075 |
14 |
| Hitachi Energy Ltd. | 2405 |
14 |
| LG Chem, Ltd. | 17737 |
13 |
| Hitachi, Ltd. | 15800 |
13 |
| Panasonic Intellectual Property Management Co., Ltd. | 32983 |
13 |
| Hubbell Incorporated | 3360 |
13 |
| Other owners | 1494 |