- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 33/20 - Arrangements or instruments for measuring magnetic variables involving magnetic resonance
Patent holdings for IPC class G01R 33/20
Total number of patents in this class: 411
10-year publication summary
|
35
|
17
|
34
|
26
|
22
|
27
|
24
|
16
|
24
|
26
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Industries, Ltd. | 15678 |
13 |
| Nissin Electric Co., Ltd. | 254 |
13 |
| Koninklijke Philips N.V. | 24989 |
10 |
| The Johns Hopkins University | 5734 |
10 |
| Siemens Healthineers AG | 6774 |
10 |
| General Electric Company | 13863 |
8 |
| The Regents of the University of California | 20172 |
8 |
| Baker Hughes Incorporated | 5236 |
7 |
| Kyoto University | 2832 |
7 |
| The University of Queensland | 664 |
7 |
| The General Hospital Corporation | 4784 |
6 |
| GE Precision Healthcare LLC | 5516 |
6 |
| Koninklijke Philips Electronics N.V. | 9112 |
5 |
| Hyperfine Research, Inc. | 41 |
5 |
| Schlumberger Technology Corporation | 10949 |
4 |
| Kyocera Corporation | 14005 |
4 |
| The Board of Trustees of the Leland Stanford Junior University | 6500 |
4 |
| Shanghai United Imaging Healthcare Co., Ltd. | 1941 |
4 |
| Sumida Corporation | 329 |
4 |
| The University of Melbourne | 543 |
4 |
| Other owners | 272 |