- 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: 71
10-year publication summary
|
5
|
2
|
0
|
1
|
6
|
3
|
3
|
3
|
6
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24461 |
8 |
| Infineon Technologies AG | 8221 |
4 |
| T-Mobile USA, Inc. | 4113 |
3 |
| Teradyne, Inc. | 539 |
3 |
| Hewlett-Packard Development Company, L.P. | 25869 |
2 |
| Intel Corporation | 47013 |
2 |
| Tokyo Electron Limited | 12751 |
2 |
| STMicroelectronics S.r.l. | 3605 |
2 |
| Microsoft Technology Licensing, LLC | 53739 |
2 |
| atg Luther & Maelzer GmbH | 17 |
2 |
| IFM Electronic GmbH | 210 |
2 |
| Nokomis, Inc. | 72 |
2 |
| Rosenberger Hochfrequenztechnik GmbH & Co. KG | 683 |
2 |
| Semilab Semiconductor Physics Laboratory, Co., Ltd. | 13 |
2 |
| The University of North Carolina at Charlotte | 256 |
2 |
| Xallent Inc. | 20 |
2 |
| 3m Innovative Properties Company | 17819 |
1 |
| NEC Corporation | 35734 |
1 |
| Panasonic Corporation | 20093 |
1 |
| Hitachi, Ltd. | 15499 |
1 |
| Other owners | 25 |