- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 31/04 - Testing connections, e.g. of plugs or non-disconnectable joints
Patent holdings for IPC class G01R 31/04
Total number of patents in this class: 606
10-year publication summary
|
112
|
73
|
73
|
67
|
31
|
3
|
1
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| International Business Machines Corporation | 61257 |
12 |
| Yazaki Corporation | 6692 |
12 |
| Eaton Intelligent Power Limited | 5989 |
12 |
| Samsung Electronics Co., Ltd. | 146346 |
10 |
| Eaton Corporation | 1820 |
8 |
| Mitsubishi Electric Corporation | 46127 |
8 |
| Robert Bosch GmbH | 42684 |
7 |
| Infineon Technologies AG | 8225 |
7 |
| Apple Inc. | 54937 |
6 |
| Siemens AG | 24477 |
6 |
| Lenovo International Limited | 1014 |
6 |
| Landis+Gyr LLC | 83 |
6 |
| Qualcomm Incorporated | 85434 |
5 |
| Samsung Display Co., Ltd. | 34798 |
5 |
| Texas Instruments Incorporated | 19460 |
5 |
| GM Global Technology Operations LLC | 15062 |
5 |
| Denso Corporation | 24316 |
5 |
| Ford Global Technologies, LLC | 20594 |
5 |
| SK Hynix Inc. | 11368 |
5 |
| Endress+Hauser Flowtec AG | 823 |
5 |
| Other owners | 466 |