- All sections
- G - Physics
- G01R - Measuring electric variables; measuring magnetic variables
- G01R 33/28 - Arrangements or instruments for measuring magnetic variables involving magnetic resonance - Details of apparatus provided for in groups
Patent holdings for IPC class G01R 33/28
Total number of patents in this class: 1698
10-year publication summary
|
178
|
182
|
149
|
141
|
137
|
112
|
104
|
81
|
76
|
19
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Koninklijke Philips N.V. | 22975 |
183 |
| Siemens Healthineers AG | 5714 |
155 |
| Koninklijke Philips Electronics N.V. | 13133 |
79 |
| General Electric Company | 18133 |
39 |
| Philips Intellectual Property & Standards GmbH | 2395 |
39 |
| Toshiba Medical Systems Corporation | 2236 |
35 |
| ClearPoint Neuro, Inc. | 122 |
26 |
| Hyperfine Operations, Inc. | 168 |
23 |
| Synaptive Medical Inc. | 619 |
22 |
| Aspect Imaging Ltd. | 141 |
20 |
| Shanghai United Imaging Healthcare Co., Ltd. | 1569 |
16 |
| FUJIFILM Healthcare Corporation | 924 |
16 |
| Samsung Electronics Co., Ltd. | 131630 |
15 |
| Canon Medical Systems Corporation | 1922 |
15 |
| Medtronic, Inc. | 9964 |
14 |
| Siemens Medical Solutions USA, Inc. | 1584 |
13 |
| The Johns Hopkins University | 5377 |
13 |
| Centre National de La Recherche Scientifique | 9632 |
12 |
| Wisconsin Alumni Research Foundation | 3774 |
12 |
| GE Precision Healthcare LLC | 1580 |
10 |
| Other owners | 941 |