- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 31/02 - Testing of electric apparatus, lines, or components for short-circuits, discontinuities, leakage, or incorrect line connection
Patent holdings for IPC class G01R 31/02
Total number of patents in this class: 4212
10-year publication summary
|
548
|
489
|
303
|
146
|
20
|
10
|
12
|
17
|
8
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 44398 |
74 |
| Siemens AG | 23934 |
62 |
| Mitsubishi Electric Corporation | 48460 |
62 |
| Texas Instruments Incorporated | 19638 |
60 |
| Eaton Intelligent Power Limited | 6295 |
54 |
| Yazaki Corporation | 7168 |
46 |
| Samsung Electronics Co., Ltd. | 159473 |
45 |
| ABB Schweiz AG | 7761 |
41 |
| Denso Corporation | 25820 |
39 |
| Infineon Technologies AG | 8427 |
38 |
| Advantest Corporation | 1661 |
38 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 49324 |
37 |
| Panasonic Intellectual Property Management Co., Ltd. | 34623 |
33 |
| Hitachi Energy Ltd. | 2669 |
33 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8470 |
29 |
| Rockwell Automation Technologies, Inc. | 2798 |
28 |
| Teradyne, Inc. | 512 |
27 |
| International Business Machines Corporation | 62864 |
25 |
| LG Chem, Ltd. | 17986 |
24 |
| Omron Corporation | 7438 |
24 |
| Other owners | 3393 |