- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 31/312 - Contactless testing by capacitive methods
Patent holdings for IPC class G01R 31/312
Total number of patents in this class: 70
10-year publication summary
|
5
|
2
|
0
|
1
|
6
|
3
|
3
|
3
|
6
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24333 |
8 |
| Infineon Technologies AG | 8287 |
4 |
| T-Mobile USA, Inc. | 4231 |
3 |
| Teradyne, Inc. | 518 |
3 |
| Hewlett-Packard Development Company, L.P. | 25585 |
2 |
| Intel Corporation | 46460 |
2 |
| Tokyo Electron Limited | 13136 |
2 |
| ASML Netherlands B.V. | 7585 |
2 |
| STMicroelectronics S.r.l. | 3439 |
2 |
| Microsoft Technology Licensing, LLC | 54319 |
2 |
| atg Luther & Maelzer GmbH | 17 |
2 |
| IFM Electronic GmbH | 216 |
2 |
| Nokomis, Inc. | 72 |
2 |
| Rosenberger Hochfrequenztechnik GmbH & Co. KG | 687 |
2 |
| The University of North Carolina at Charlotte | 261 |
2 |
| Xallent Inc. | 20 |
2 |
| Semilab USA, LLC | 6 |
2 |
| 3m Innovative Properties Company | 17730 |
1 |
| Panasonic Corporation | 19966 |
1 |
| Hitachi, Ltd. | 15692 |
1 |
| Other owners | 23 |