- 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: 215
10-year publication summary
|
13
|
16
|
17
|
20
|
26
|
23
|
12
|
11
|
19
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Electro Scientific Industries, Inc. | 374 |
7 |
| Teradyne, Inc. | 541 |
7 |
| KLA Corporation | 1534 |
7 |
| Texas Instruments Incorporated | 19479 |
5 |
| Advantest Corporation | 1826 |
5 |
| LG Energy Solution, Ltd. | 14890 |
5 |
| KYOCERA AVX Components Corporation | 629 |
5 |
| Samsung Electronics Co., Ltd. | 145630 |
4 |
| Robert Bosch GmbH | 42647 |
4 |
| MPI Corporation | 137 |
4 |
| Research In Motion Limited | 1969 |
3 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 42549 |
3 |
| KLA-Tencor Corporation | 2544 |
3 |
| Optimal Plus Ltd | 40 |
3 |
| Tektronix, Inc. | 669 |
3 |
| Université du Québec à Chicoutimi | 51 |
3 |
| Intel Corporation | 46960 |
2 |
| Advanced Micro Devices, Inc. | 5689 |
2 |
| General Electric Technology GmbH | 1371 |
2 |
| Industry Foundation of Chonnam National University | 647 |
2 |
| Other owners | 136 |