- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 33/381 - Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets
Patent holdings for IPC class G01R 33/381
Total number of patents in this class: 212
10-year publication summary
|
36
|
19
|
15
|
22
|
17
|
18
|
15
|
11
|
8
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hyperfine Operations, Inc. | 179 |
48 |
| Synaptive Medical Inc. | 589 |
19 |
| Siemens Healthineers AG | 6597 |
10 |
| ViewRay Systems, Inc. | 104 |
10 |
| The University of Western Ontario | 320 |
6 |
| Koninklijke Philips N.V. | 24610 |
5 |
| Mobius Imaging, LLC | 129 |
5 |
| Siemens Healthcare Limited | 140 |
5 |
| Promaxo, Inc. | 52 |
5 |
| Hitachi Medical Corporation | 618 |
4 |
| Hyperfine Research, Inc. | 41 |
4 |
| DeepSpin GmbH | 5 |
4 |
| FUJIFILM Corporation | 29251 |
3 |
| Robert Bosch GmbH | 42505 |
3 |
| Esaote S.p.A. | 163 |
3 |
| ViewRay Technologies, Inc. | 29 |
3 |
| Weinberg Medical Physics, Inc. | 54 |
3 |
| Centre National de La Recherche Scientifique | 10350 |
2 |
| Hitachi, Ltd. | 15449 |
2 |
| Koninklijke Philips Electronics N.V. | 9962 |
2 |
| Other owners | 66 |