- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 33/422 - Screening of the radiofrequency field
Patent holdings for IPC class G01R 33/422
Total number of patents in this class: 262
10-year publication summary
|
22
|
37
|
40
|
25
|
12
|
14
|
8
|
6
|
6
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hyperfine Operations, Inc. | 195 |
54 |
| Koninklijke Philips N.V. | 25999 |
33 |
| Siemens Healthineers AG | 7103 |
25 |
| Aspect Imaging Ltd. | 134 |
21 |
| GE Precision Healthcare LLC | 5795 |
12 |
| ViewRay Systems, Inc. | 110 |
8 |
| Koninklijke Philips Electronics N.V. | 7211 |
6 |
| Innovere Medical Inc. | 21 |
6 |
| Canon Medical Systems Corporation | 1821 |
5 |
| Siemens AG | 23972 |
4 |
| FUJIFILM Corporation | 30653 |
3 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11128 |
3 |
| Advanced Imaging Research, Inc. | 17 |
3 |
| Commonwealth Scientific and Industrial Research Organisation | 1648 |
3 |
| Philips GmbH | 273 |
3 |
| Quality Electrodynamics, LLC | 58 |
3 |
| Samsung Electronics Co., Ltd. | 158842 |
2 |
| Halliburton Energy Services, Inc. | 21284 |
2 |
| Toshiba Medical Systems Corporation | 2034 |
2 |
| Robert Bosch GmbH | 44291 |
2 |
| Other owners | 62 |