- 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: 380
10-year publication summary
|
0
|
0
|
3
|
15
|
27
|
71
|
57
|
68
|
49
|
42
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Astemo, Ltd. | 6385 |
9 |
| Sumitomo Electric Industries, Ltd. | 15529 |
7 |
| Robert Bosch GmbH | 42705 |
7 |
| Sumitomo Wiring Systems, Ltd. | 10383 |
7 |
| Boe Technology Group Co., Ltd. | 41291 |
5 |
| AutoNetworks Technologies, Ltd. | 6606 |
5 |
| Crouzet Automatismes | 83 |
5 |
| Apple Inc. | 55174 |
4 |
| Mitsubishi Electric Corporation | 46197 |
4 |
| LG Innotek Co., Ltd. | 7667 |
4 |
| GS Yuasa International Ltd. | 2048 |
4 |
| Eaton Intelligent Power Limited | 5992 |
4 |
| Toyota Motor Corporation | 32450 |
3 |
| Texas Instruments Incorporated | 19443 |
3 |
| Denso Corporation | 24355 |
3 |
| STMicroelectronics S.r.l. | 3607 |
3 |
| Bayerische Motoren Werke Aktiengesellschaft | 14403 |
3 |
| AmSafe, Inc. | 46 |
3 |
| Contemporary Amperex Technology Co., Limited | 6745 |
3 |
| Eldor Corporation S.p.A. | 122 |
3 |
| Other owners | 291 |