- All sections
- G - Physics
- G01R - Measuring electric variables; measuring magnetic variables
- G01R 31/52 - Testing for short-circuits, leakage current or ground faults
Patent holdings for IPC class G01R 31/52
Total number of patents in this class: 1213
10-year publication summary
|
9
|
5
|
9
|
22
|
58
|
147
|
250
|
306
|
291
|
77
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Energy Solution, Ltd. | 10813 |
55 |
| Robert Bosch GmbH | 40953 |
20 |
| Denso Corporation | 23338 |
18 |
| Siemens AG | 24990 |
17 |
| Eaton Intelligent Power Limited | 6113 |
17 |
| Vitesco Technologies GmbH | 2372 |
17 |
| Samsung Electronics Co., Ltd. | 131630 |
14 |
| ABB Schweiz AG | 6321 |
13 |
| Infineon Technologies AG | 8189 |
12 |
| Rosemount Aerospace Inc. | 747 |
12 |
| Texas Instruments Incorporated | 19376 |
11 |
| Bender GmbH & Co. KG | 109 |
11 |
| Contemporary Amperex Technology Co., Limited | 5805 |
11 |
| Schneider Electric USA, Inc. | 1192 |
11 |
| Toyota Motor Corporation | 28582 |
10 |
| Mitsubishi Electric Corporation | 43934 |
10 |
| Huawei Technologies Co., Ltd. | 100781 |
10 |
| Yazaki Corporation | 6282 |
10 |
| Sanyo Electric Co., Ltd. | 3926 |
9 |
| Fuji Electric Co., Ltd. | 4750 |
7 |
| Other owners | 918 |