- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 31/265 - Contactless testing
Patent holdings for IPC class G01R 31/265
Total number of patents in this class: 235
10-year publication summary
|
21
|
14
|
19
|
18
|
16
|
26
|
21
|
22
|
15
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamamatsu Photonics K.K. | 4418 |
19 |
| Femtometrix, Inc. | 43 |
13 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 42804 |
11 |
| PDF Solutions, Inc. | 127 |
7 |
| The United States of America as represented by the Secretary of the Army | 1214 |
5 |
| KLA-Tencor Corporation | 2544 |
5 |
| ASML Netherlands B.V. | 7392 |
4 |
| Battelle Memorial Institute | 2485 |
4 |
| BT Imaging Pty Ltd | 37 |
4 |
| STMicroelectronics (Crolles 2) SAS | 648 |
4 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6109 |
4 |
| KLA Corporation | 1555 |
4 |
| Samsung Electronics Co., Ltd. | 146346 |
3 |
| Samsung Display Co., Ltd. | 34798 |
3 |
| Robert Bosch GmbH | 42684 |
3 |
| Applied Materials, Inc. | 18658 |
3 |
| Mitsubishi Electric Corporation | 46127 |
3 |
| Tokyo Electron Limited | 12733 |
3 |
| Centre National d'Etudes Spatiales (C.N.E.S.) | 124 |
3 |
| Hitachi High-Tech Corporation | 5323 |
3 |
| Other owners | 127 |