- 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: 268
10-year publication summary
|
26
|
21
|
36
|
38
|
23
|
12
|
13
|
7
|
6
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hyperfine Operations, Inc. | 187 |
53 |
| Koninklijke Philips N.V. | 25158 |
31 |
| Siemens Healthineers AG | 6814 |
25 |
| Aspect Imaging Ltd. | 137 |
21 |
| GE Precision Healthcare LLC | 5558 |
12 |
| Koninklijke Philips Electronics N.V. | 8817 |
8 |
| ViewRay Systems, Inc. | 108 |
8 |
| Siemens AG | 24333 |
5 |
| Innovere Medical Inc. | 20 |
5 |
| Canon Medical Systems Corporation | 2336 |
5 |
| FUJIFILM Corporation | 29817 |
3 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10954 |
3 |
| Advanced Imaging Research, Inc. | 17 |
3 |
| Commonwealth Scientific and Industrial Research Organisation | 1663 |
3 |
| Philips GmbH | 273 |
3 |
| Quality Electrodynamics, LLC | 57 |
3 |
| Samsung Electronics Co., Ltd. | 149087 |
2 |
| Halliburton Energy Services, Inc. | 21078 |
2 |
| Toshiba Medical Systems Corporation | 2107 |
2 |
| Robert Bosch GmbH | 43063 |
2 |
| Other owners | 69 |