- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 31/54 - Testing for continuity
Patent holdings for IPC class G01R 31/54
Total number of patents in this class: 371
10-year publication summary
|
1
|
0
|
5
|
18
|
31
|
73
|
61
|
73
|
50
|
34
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Astemo, Ltd. | 6377 |
9 |
| Sumitomo Electric Industries, Ltd. | 15377 |
7 |
| Robert Bosch GmbH | 42505 |
7 |
| Sumitomo Wiring Systems, Ltd. | 10271 |
7 |
| Boe Technology Group Co., Ltd. | 40653 |
5 |
| AutoNetworks Technologies, Ltd. | 6529 |
5 |
| Crouzet Automatismes | 83 |
5 |
| Apple Inc. | 54527 |
4 |
| Mitsubishi Electric Corporation | 45860 |
4 |
| LG Innotek Co., Ltd. | 7552 |
4 |
| GS Yuasa International Ltd. | 2016 |
4 |
| Eaton Intelligent Power Limited | 5972 |
4 |
| Texas Instruments Incorporated | 19482 |
3 |
| Denso Corporation | 24146 |
3 |
| STMicroelectronics S.r.l. | 3620 |
3 |
| Bayerische Motoren Werke Aktiengesellschaft | 14246 |
3 |
| Contemporary Amperex Technology Co., Limited | 6361 |
3 |
| Eldor Corporation S.p.A. | 121 |
3 |
| Hioki E.E. Corporation | 133 |
3 |
| Huazhong University of Science and Technology | 1035 |
3 |
| Other owners | 282 |