- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 31/58 - Testing of lines, cables or conductors
Patent holdings for IPC class G01R 31/58
Total number of patents in this class: 741
10-year publication summary
|
3
|
21
|
46
|
52
|
76
|
109
|
88
|
87
|
125
|
89
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Industries, Ltd. | 16437 |
32 |
| Sumitomo Wiring Systems, Ltd. | 11236 |
15 |
| AutoNetworks Technologies, Ltd. | 7295 |
15 |
| Panasonic Intellectual Property Management Co., Ltd. | 34623 |
11 |
| Schweitzer Engineering Laboratories, Inc. | 908 |
11 |
| 3m Innovative Properties Company | 17443 |
8 |
| Cisco Technology, Inc. | 22656 |
8 |
| Connected Intelligence Systems Ltd. | 46 |
8 |
| Prysmian S.p.A. | 917 |
7 |
| Eaton Intelligent Power Limited | 6295 |
6 |
| The Boeing Company | 20217 |
5 |
| Omron Corporation | 7438 |
5 |
| Hydro-Quebec | 638 |
5 |
| Kinney Industries, Inc. | 6 |
5 |
| LEONI Kabel GmbH | 260 |
5 |
| Lisa Dräxlmaier GmbH | 598 |
5 |
| Nexans | 645 |
5 |
| VoltServer, Inc. | 54 |
5 |
| Proterial, Ltd. | 962 |
5 |
| Cence Power Inc. | 20 |
5 |
| Other owners | 570 |