- All sections
- G - Physics
- G01R - Measuring electric variables; measuring 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: 370
10-year publication summary
|
20
|
36
|
18
|
38
|
29
|
24
|
28
|
25
|
16
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| General Electric Company | 18133 |
11 |
| The Johns Hopkins University | 5377 |
11 |
| Baker Hughes Incorporated | 5689 |
10 |
| Siemens Healthineers AG | 5714 |
9 |
| The Regents of the University of California | 18943 |
8 |
| Koninklijke Philips N.V. | 22975 |
8 |
| The University of Queensland | 666 |
7 |
| Koninklijke Philips Electronics N.V. | 13133 |
6 |
| The General Hospital Corporation | 4517 |
6 |
| Hyperfine Research, Inc. | 41 |
5 |
| Kyoto University | 2732 |
5 |
| Schlumberger Technology Corporation | 9690 |
4 |
| Shanghai United Imaging Healthcare Co., Ltd. | 1569 |
4 |
| Sumida Corporation | 291 |
4 |
| The University of Melbourne | 499 |
4 |
| Promaxo, Inc. | 46 |
4 |
| Samsung Electronics Co., Ltd. | 131630 |
3 |
| Schlumberger Canada Limited | 6913 |
3 |
| Schlumberger Technology B.v. | 4951 |
3 |
| Toshiba Medical Systems Corporation | 2236 |
3 |
| Other owners | 252 |