- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring 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: 1965
10-year publication summary
|
9
|
22
|
58
|
148
|
253
|
309
|
311
|
277
|
348
|
174
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Energy Solution, Ltd. | 18838 |
119 |
| Robert Bosch GmbH | 44128 |
30 |
| Denso Corporation | 25513 |
27 |
| Schneider Electric USA, Inc. | 1327 |
24 |
| Samsung Electronics Co., Ltd. | 157557 |
23 |
| Eaton Intelligent Power Limited | 6236 |
23 |
| Siemens AG | 24033 |
21 |
| Toyota Motor Corporation | 35680 |
19 |
| Chengli Li | 85 |
18 |
| Texas Instruments Incorporated | 19663 |
17 |
| Schaeffler Technologies AG & Co. KG | 10948 |
17 |
| ABB Schweiz AG | 7590 |
17 |
| Infineon Technologies AG | 8400 |
15 |
| Vitesco Technologies GmbH | 2398 |
15 |
| Yazaki Corporation | 7097 |
14 |
| LG Innotek Co., Ltd. | 8453 |
14 |
| Hitachi Energy Ltd. | 2568 |
14 |
| Mitsubishi Electric Corporation | 47971 |
13 |
| Samsung SDI Co., Ltd. | 10556 |
12 |
| Hubbell Incorporated | 3442 |
12 |
| Other owners | 1501 |