- 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: 216
10-year publication summary
|
29
|
18
|
14
|
22
|
15
|
16
|
15
|
10
|
8
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hyperfine Operations, Inc. | 187 |
51 |
| Synaptive Medical Inc. | 601 |
19 |
| Siemens Healthineers AG | 6814 |
11 |
| ViewRay Systems, Inc. | 108 |
10 |
| Koninklijke Philips N.V. | 25158 |
6 |
| The University of Western Ontario | 324 |
6 |
| Mobius Imaging, LLC | 131 |
5 |
| Siemens Healthcare Limited | 144 |
5 |
| Promaxo, Inc. | 52 |
5 |
| Hyperfine Research, Inc. | 41 |
4 |
| DeepSpin GmbH | 9 |
4 |
| Hitachi Medical Corporation | 592 |
3 |
| FUJIFILM Corporation | 29817 |
3 |
| Robert Bosch GmbH | 43063 |
3 |
| Esaote S.p.A. | 160 |
3 |
| ViewRay Technologies, Inc. | 27 |
3 |
| Weinberg Medical Physics, Inc. | 56 |
3 |
| Centre National de La Recherche Scientifique | 10693 |
2 |
| Hitachi, Ltd. | 15692 |
2 |
| Koninklijke Philips Electronics N.V. | 8817 |
2 |
| Other owners | 66 |