- All sections
- G - Physics
- G01R - Measuring electric variables; measuring magnetic variables
- G01R 31/54 - Testing for continuity
Patent holdings for IPC class G01R 31/54
Total number of patents in this class: 295
10-year publication summary
|
3
|
1
|
0
|
5
|
18
|
31
|
72
|
61
|
68
|
17
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Astemo, Ltd. | 5618 |
8 |
| Robert Bosch GmbH | 40953 |
6 |
| Sumitomo Wiring Systems, Ltd. | 9367 |
5 |
| Crouzet Automatismes | 79 |
5 |
| Eaton Intelligent Power Limited | 6113 |
5 |
| Apple Inc. | 50209 |
4 |
| Sumitomo Electric Industries, Ltd. | 14131 |
4 |
| Mitsubishi Electric Corporation | 43934 |
4 |
| Boe Technology Group Co., Ltd. | 35384 |
4 |
| STMicroelectronics S.r.l. | 3693 |
3 |
| LG Innotek Co., Ltd. | 6758 |
3 |
| AutoNetworks Technologies, Ltd. | 5809 |
3 |
| Contemporary Amperex Technology Co., Limited | 5805 |
3 |
| Eldor Corporation S.p.A. | 117 |
3 |
| GS Yuasa International Ltd. | 1834 |
3 |
| Huazhong University of Science and Technology | 930 |
3 |
| Micro Motion, Inc. | 1011 |
3 |
| Wuhan University | 320 |
3 |
| Uni-trend Technology (China) Co., Ltd. | 13 |
3 |
| Ventus Engineering GmbH | 34 |
3 |
| Other owners | 217 |