- All sections
- G - Physics
- G01R - Measuring electric variables; measuring 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: 265
10-year publication summary
|
21
|
27
|
22
|
37
|
40
|
24
|
12
|
13
|
7
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hyperfine Operations, Inc. | 168 |
49 |
| Koninklijke Philips N.V. | 22975 |
31 |
| Siemens Healthineers AG | 5714 |
24 |
| Aspect Imaging Ltd. | 141 |
21 |
| Koninklijke Philips Electronics N.V. | 13133 |
10 |
| General Electric Company | 18133 |
6 |
| GE Precision Healthcare LLC | 1580 |
6 |
| Siemens AG | 24990 |
5 |
| Canon Medical Systems Corporation | 1922 |
5 |
| ViewRay Systems, Inc. | 69 |
5 |
| Innovere Medical Inc. | 19 |
4 |
| Skope Magnetic Resonance Technologies AG | 11 |
4 |
| U.S. Philips Corporation | 653 |
3 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
3 |
| Advanced Imaging Research, Inc. | 16 |
3 |
| Commonwealth Scientific and Industrial Research Organisation | 1652 |
3 |
| Philips GmbH | 275 |
3 |
| Quality Electrodynamics, LLC | 55 |
3 |
| FUJIFILM Healthcare Corporation | 924 |
3 |
| Samsung Electronics Co., Ltd. | 131630 |
2 |
| Other owners | 72 |