- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 31/50 - Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
Patent holdings for IPC class G01R 31/50
Total number of patents in this class: 762
10-year publication summary
|
12
|
75
|
150
|
208
|
106
|
53
|
58
|
34
|
41
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Intellectual Property Management Co., Ltd. | 33911 |
14 |
| Schweitzer Engineering Laboratories, Inc. | 907 |
11 |
| Texas Instruments Incorporated | 19663 |
10 |
| Robert Bosch GmbH | 44128 |
10 |
| Cisco Technology, Inc. | 22491 |
10 |
| Siemens AG | 24033 |
9 |
| LG Chem, Ltd. | 17921 |
9 |
| Denso Corporation | 25513 |
9 |
| Yazaki Corporation | 7097 |
9 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48248 |
8 |
| Hubbell Incorporated | 3442 |
8 |
| Eaton Intelligent Power Limited | 6236 |
8 |
| LG Energy Solution, Ltd. | 18838 |
8 |
| Samsung Electronics Co., Ltd. | 157557 |
7 |
| Toyota Motor Corporation | 35680 |
7 |
| Mitsubishi Electric Corporation | 47971 |
7 |
| Sanyo Electric Co., Ltd. | 3410 |
7 |
| Hamilton Sundstrand Corporation | 5016 |
7 |
| Bender GmbH & Co. KG | 134 |
7 |
| Ford Global Technologies, LLC | 21478 |
6 |
| Other owners | 591 |