- All sections
- G - Physics
- G01R - Measuring electric variables; measuring 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: 1663
10-year publication summary
109
|
134
|
110
|
99
|
99
|
130
|
156
|
146
|
144
|
45
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Electric Corporation | 43934 |
61 |
Siemens AG | 24990 |
39 |
State Grid Corporation of China | 1308 |
32 |
Bender GmbH & Co. KG | 109 |
26 |
Prysmian S.p.A. | 846 |
26 |
ABB Schweiz AG | 6321 |
24 |
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
20 |
Hitachi Energy Ltd. | 1921 |
20 |
Eaton Intelligent Power Limited | 6113 |
19 |
Korea Electric Power Corporation | 467 |
16 |
Schneider Electric USA, Inc. | 1192 |
16 |
Alstom Technology Ltd | 1196 |
15 |
Nitto Kogyo Corporation | 38 |
15 |
Toshiba Mitsubishi-Electric Industrial Systems Corporation | 1583 |
14 |
Siemens Energy Global GmbH & Co. KG | 2775 |
14 |
3m Innovative Properties Company | 18406 |
13 |
LG Chem, Ltd. | 17205 |
13 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
12 |
Maschinenfabrik Reinhausen GmbH | 749 |
12 |
The Boeing Company | 19843 |
11 |
Other owners | 1245 |