- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 31/01 - Subjecting similar articles in turn to test, e.g. "go/no-go" tests in mass productionTesting objects at points as they pass through a testing station
Patent holdings for IPC class G01R 31/01
Total number of patents in this class: 220
10-year publication summary
|
16
|
17
|
20
|
26
|
23
|
12
|
11
|
20
|
7
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Electro Scientific Industries, Inc. | 345 |
7 |
| Teradyne, Inc. | 522 |
7 |
| KLA Corporation | 1879 |
7 |
| LG Energy Solution, Ltd. | 19461 |
7 |
| Texas Instruments Incorporated | 19644 |
5 |
| Advantest Corporation | 1670 |
5 |
| KYOCERA AVX Components Corporation | 663 |
5 |
| Samsung Electronics Co., Ltd. | 159029 |
4 |
| Robert Bosch GmbH | 44327 |
4 |
| MPI Corporation | 150 |
4 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48861 |
3 |
| KLA-Tencor Corporation | 2517 |
3 |
| Optimal Plus Ltd | 30 |
3 |
| Tektronix, Inc. | 653 |
3 |
| Université du Québec à Chicoutimi | 52 |
3 |
| Eaton Intelligent Power Limited | 6276 |
3 |
| Research In Motion Limited | 1296 |
2 |
| Intel Corporation | 46292 |
2 |
| Murata Manufacturing Co., Ltd. | 25917 |
2 |
| Advanced Micro Devices, Inc. | 6130 |
2 |
| Other owners | 139 |