- All sections
- G - Physics
- G01R - Measuring electric variables; measuring 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: 433
10-year publication summary
|
8
|
7
|
3
|
20
|
46
|
52
|
75
|
104
|
83
|
18
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Industries, Ltd. | 14131 |
13 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
10 |
| Sumitomo Wiring Systems, Ltd. | 9367 |
10 |
| AutoNetworks Technologies, Ltd. | 5809 |
10 |
| Schweitzer Engineering Laboratories, Inc. | 920 |
10 |
| Eaton Intelligent Power Limited | 6113 |
8 |
| 3m Innovative Properties Company | 18406 |
7 |
| Igus GmbH | 471 |
6 |
| LEONI Kabel GmbH | 264 |
6 |
| Prysmian S.p.A. | 846 |
6 |
| Connected Intelligence Systems Ltd. | 35 |
6 |
| The Boeing Company | 19843 |
5 |
| Chengli Li | 45 |
5 |
| Cisco Technology, Inc. | 18858 |
4 |
| Crouzet Automatismes | 79 |
4 |
| Lisa Dräxlmaier GmbH | 506 |
4 |
| Hitachi Energy Ltd. | 1921 |
4 |
| Samsung Electronics Co., Ltd. | 131630 |
3 |
| International Business Machines Corporation | 60644 |
3 |
| GM Global Technology Operations LLC | 13620 |
3 |
| Other owners | 306 |