- 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: 390
10-year publication summary
|
36
|
18
|
38
|
29
|
25
|
28
|
25
|
16
|
22
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| General Electric Company | 17783 |
11 |
| The Johns Hopkins University | 5529 |
11 |
| Baker Hughes Incorporated | 5508 |
10 |
| Siemens Healthineers AG | 6339 |
10 |
| Koninklijke Philips N.V. | 23971 |
9 |
| The Regents of the University of California | 19503 |
8 |
| Sumitomo Electric Industries, Ltd. | 14956 |
7 |
| Nissin Electric Co., Ltd. | 234 |
7 |
| The University of Queensland | 657 |
7 |
| Koninklijke Philips Electronics N.V. | 10889 |
6 |
| The General Hospital Corporation | 4645 |
6 |
| Hyperfine Research, Inc. | 41 |
5 |
| Kyoto University | 2777 |
5 |
| Schlumberger Technology Corporation | 10241 |
4 |
| Shanghai United Imaging Healthcare Co., Ltd. | 1763 |
4 |
| Sumida Corporation | 306 |
4 |
| The University of Melbourne | 522 |
4 |
| Promaxo, Inc. | 50 |
4 |
| Samsung Electronics Co., Ltd. | 138729 |
3 |
| Schlumberger Canada Limited | 7147 |
3 |
| Other owners | 262 |